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The Antecedents of Coffee Satisfaction by Lifestyle Segments for Korean and Chinese University Students in Korea
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Original Article
The Antecedents of Coffee Satisfaction by Lifestyle Segments for Korean and Chinese University Students in Korea
Hye-Kyung Chung, Hye-Young Kim1), Hae-Young Lee†,2)
Korean Journal of Community Nutrition 2011;16(6):782-793.
DOI: https://doi.org/10.5720/kjcn.2011.16.6.782
Published online: January 18, 2011

Department of Nutrition Services, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea

1)Graduate School of Education, The Catholic University of Korea, Bucheon, Korea

2)Department of Food and Nutrition, Sangji University, Wonju, Korea

Department of Nutrition Services, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea

1)Graduate School of Education, The Catholic University of Korea, Bucheon, Korea

2)Department of Food and Nutrition, Sangji University, Wonju, Korea

†Corresponding author: Hae-Young Lee, Department of Food and Nutrition, Sangji University, 660 Woosan-dong, Wonju 220-702, Korea Tel: (033) 730-0492, Fax: (033) 738-7740 E-mail: hy1317@sangji.ac.kr

Copyright © 2011 Korean Ophthalmological Society

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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  • The purposes of this study were to classify university students by their lifestyle and to investigate the relationships between lifestyle and coffee satisfaction. The survey had been undertaken for 360 Korean and Chinese university students in Daejeon from November to December 2009. A total of 242 usable questionnaires were received with 67.2% response rate. The statistical analysis was performed by the SPSS 18.0 package program. Lifestyles of subjects, based on AIO (Activities, Interests, Opinions) method and factor analysis, were segmented into 2 groups of “outgoing activity” (n = 137) and “introverted devotion” (n = 105). “Outgoing activity” group exhibited highly health-oriented (p < 0.001) and convenience-oriented (p < 0.001) characteristics, but “introverted devotion” group showed highly goal-oriented (p < 0.01) and safety-oriented (p < 0.01) features. Comparing to “introverted devotion” group, “outgoing activity” group showed higher intake of coffee (p < 0.01) and more expense for beverage (p < 0.01). Three factors were extracted from 15 coffee quality attributes by factor analysis; “fundamentals”, “supplement” and “inducement”. These factors were positively correlated with coffee satisfaction according to lifestyle groups (p < 0.01). For “outgoing activity” group, ‘fundamentals’ was independent factor for satisfaction on coffee in coffee house (β = 0.268, p < 0.05) and canned or bottled coffee (β = 0.314, p < 0.01), and “supplement” was independent factor for satisfaction on coffee in vending machine (β = 0.235, p < 0.05). For “introverted devotion” group, “inducement” was independent factor for satisfaction on coffee in vending machine (β = 0.238, p < 0.001). These results provide an understanding for lifestyles of coffee consumers and give an insight into differentiated marketing plans for coffee industry. (Korean J Community Nutr 16(6) : 782~793, 2011)
Table 1.
Validity and reliability of lifestyle
Lifestyle variables Lifestyle Factor 1. Sociability-oriented Lifestyle Factor 2. Goal-oriented Lifestyle Factor 3. Health-oriented Lifestyle Factor 4. Convenience-oriented Lifestyle Factor 5. Safety-oriented
Lifestyle 15. I often get along with friends, seniors or juniors 0.760        
Lifestyle 8. I like to meet a new person 0.716        
Lifestyle 9. I enjoy going around restaurants to eat delicious meals 0.647        
Lifestyle 12. I try steadily to work toward my goals   0.711      
Lifestyle 11. I will save money, even if I become rich   0.681      
Lifestyle 2. I compare prices among the online or offline stores to get a cheaper product   0.672      
Lifestyle 10. I strive for my dreams   0.629      
Lifestyle 4. I watch carefully what I eat     0.785    
Lifestyle 5. I exercise to keep fit   0.546      
Lifestyle 3. I like snacking or eating junk food       0.857  
Lifestyle 6. I tend to make impulsive buying       0.662  
Lifestyle 13. I put aside all my work to rest, when I am sick         0.631
Lifestyle 7. I have done voluntary service2)         0.589
Lifestyle 14. I think I have to tell to the owner of the restaurant if I find foreign substances such as bugs or hair in the food         0.527
Lifestyle 1. I prefer to choose a position, which offers me the change of developing my own ability even though more risk is involved, over a stable job2)         0.480
Variance %1) 15.877 15.223 10.503 9.687 9.479
Cronbach's alpha     0.646    

1) Total variance % : 60.769%, 2) Reverse coding

Table 2.
Comparison of lifestyle factor by cluster
Lifestyle Factors Cluster 1. Outgoing activity group (N = 137) Cluster 2. Introverted devotion group (N = 105) t-value
Lifestyle factor 1. Sociability-oriented1) 3.68 ± 0.74 3.60 ± 0.69 −0.818
Lifestyle factor 2. Goal-oriented1) 3.68 ± 0.74 3.80 ± 0.59 −3.315∗∗
Lifestyle factor 3. Health-oriented1) 3.53 ± 0.66 2.92 ± 0.84 −4.813∗∗∗
Lifestyle factor 4. Convenience-oriented1) 3.41 ± 0.74 2.74 ± 0.91 −5.398∗∗∗
Lifestyle factor 5. Safety-oriented1) 3.03 ± 0.55 3.59 ± 0.54 −7.959∗∗∗

1) Mean ± SD, Likert-type 5 point scale : 1 = strongly disagree, 3 = so-so, 5 = strongly agree

∗: p < 0.01, ∗∗∗: p < 0.001

Table 3.
General characteristics by cluster
Items Cluster 1. Outgoing activity group Cluster 2. Introverted devotion group Total χ2-value
Nationality  
Korea 68 (44.7)1) 84 (55.3) 152 (100.0) 23.463∗∗∗
China 69 (76.7) 21 (23.3) 90 (100.0)  
Total 137 (56.6) 105 (43.4) 242 (100.0)  
Gender  
Male 60 (55.6) 48 (44.4) 108 (100.0) 0.061
Female 76 (57.1) 57 (42.9) 133 (100.0)  
Total 136 (56.4) 105 (43.6) 241(100.0)  
Age (years) 23.0 ± 1.52) 23.2 ± 2.2 23.0 ± 1.8 −0.9183)
Grade  
Freshman 48 (59.3) 33 (40.7) 81 (100.0) 2.868
Sophomores 21 (48.8) 22 (51.2) 43 (100.0)  
Juniors 25 (47.2) 28 (52.8) 53 (100.0)  
Seniors 25 (59.5) 17 (40.5) 42 (100.0)  
Total 119 (54.3) 100 (45.7) 219 (100.0)  
Forms of residence  
Her/His house 18. (54.5) 15 (45.5) 33 (100.0) 58.089
Dormitory 53 (64.6) 29 (35.4) 82 (100.0)  
Boarding house 11 (35.5) 20 (64.5) 31 (100.0)  
Rented room 49 (55.7) 39 (44.3) 88 (100.0)  
Others 4 (66.7) 2 (33.3) 6 (100.0)  
Total 135 (56.3) 105 (43.8) 240 (100.0)  
Allowance per month (thousand won)  
< 100 13 (41.9) 18 (58.1) 31 (100.0) 56.499
100 ≤ & < 200 31 (52.5) 28 (47.5) 59 (100.0)  
200 ≤ & < 300 47 (58.8) 33 (41.3) 80 (100.0)  
300 ≤ & < 400 26 (55.3) 21 (44.7) 47 (100.0)  
400 ≤ 16 (76.2) 5 (23.8) 21 (100.0)  
Total 133 (55.9) 105 (44.1) 238 (100.0)  

1) N (%), 2) Mean ± SD, 3) t-value, ∗∗∗: p < 0.001

Table 4.
The consumption toward coffee by cluster
Items Cluster 1. Outgoing activity group Cluster 2. Introverted devotion group Total χ2-value
Favorite type of coffee  
Coffee in coffee house 32 (51.6)1) 30 (48.4) 62 (100.0) 52.152
Coffee in vending machine 61 (61.6) 38 (38.4) 99 (100.0)  
Canned or bottled coffee 22 (51.2) 21 (48.8) 43 (100.0)  
Total 115 (56.4) 89 (43.6) 204 (100.0)  
Frequency of coffee consumption  
< 1cup/day 70 (47.9) 76 (52.1) 146 (100.0) 10.849∗∗
1cup/day ≤ 66 (69.5) 29 (30.5) 95 (100.0)  
Total 136 (56.4) 105 (43.6) 241 (100.0)  
Expenses for beverage (won/month)  
< 10,000 54 (46.2) 63 (53.8) 117 (100.0) 13.231∗∗
10,000 ≤ & < 30,000 53 (61.6) 33 (38.4) 86 (100.0)  
30,000 ≤ 29 (78.4) 8 (21.6) 37 (100.0)  
Total 136 (56.7) 104 (43.3) 240 (100.0)  

1) N (%), ∗∗: p < 0.01

Table 5.
Validity and reliability of coffee attribute by type of coffee
Coffee attributes Coffee in coffee house Coffee in vending machine Canned or bottled coffee
Coffee Factor 1. Fundamentals Coffee Factor 2. Supplement Coffee Factor 3. Inducement Coffee Factor 1. Fundamentals Coffee Factor 2. Supplement Coffee Factor 3. Inducement Coffee Factor 1. Fundamentals Coffee Factor 2. Supplement Coffee Factor 3. Inducement
Taste 0.745     0.830     0.664    
Volume 0.571     0.762     0.658    
Flavor 0.782     0.710     0.467    
Price     0.715     0.658     0.633
Nutrition     0.732   0.708       0.818
Hygiene 0.516       0.686       0.594
Color   0.713          
Temperature   0.641       0.537   0.619  
Concentration   0.577     0.474     0.729  
Variety 0.608       0.736     0.646  
Seasonality   0.703     0.658     0.615  
Freshness 0.641       0.740     0.684  
Brand 0.594       0.823     0.735  
Convenience   0.674       0.773 0.759    
Thirst relief       0.547   0.623    
Variance %1) 23.105 20.969 13.451 16.626 28.624 11.753 17.837 25.289 13.551
Cronbach's alpha   0.882     0.865     0.883  

1) Total Variance : Coffee in coffee house 57.524%, Coffee in vending machine 57.003%, Canned or bottled coffee 56.677%

Table 6.
Comparison of coffee factor and coffee satisfaction by cluster
Items Cluster 1. Outgoing activity group Cluster 2. Introverted devotion group Total t-value
Coffee in coffee house        
Coffee factor 1. Fundamentals1) 53.36 ± 50.64 53.45 ± 50.61 53.39 ± 50.64 −1.171
Coffee factor 2. Supplement1) 53.37 ± 50.56 53.33 ± 50.64 53.32 ± 50.64 50.624
Coffee factor 3. Inducement1) 53.14 ± 50.67 53.03 ± 50.90 53.09 ± 50.79 51.070
Satisfaction2) 76.38 ± 16.27 74.00 ± 15.36 76.18 ± 15.54 51.115
Coffee in vending machine        
Coffee factor 1. Fundamentals1) 52.97 ± 50.62 53.01 ± 50.69 53.01 ± 50.67 −0.371
Coffee factor 2. Supplement1) 52.86 ± 50.63 52.68 ± 50.68 52.81 ± 50.66 52.104
Coffee factor 3. Inducement1) 53.30 ± 50.62 53.49 ± 50.067 53.36 ± 50.64 −2.173
Satisfaction2) 64.80 ± 20.45 60.17 ± 19.93 64.85 ± 20.71 51.713
Canned or bottled coffee        
Coffee factor 1. Fundamentals1) 53.17 ± 50.59 53.31 ± 50.66 53.23 ± 50.62 −1.734
Coffee factor 2. Supplement1) 53.08 ± 50.58 53.15 ± 50.66 53.11 ± 50.64 −0.913
Coffee factor 3. Inducement1) 52.99 ± 50.67 53.06 ± 50.62 53.02 ± 50.66 −0.797
Satisfaction2) 66.97 ± 19.62 66.77 ± 15.18 68.03 ± 17.73 50.085

1) Mean ± SD, Likert-type 5 point scale : 1 = extremely bad, 3 = so-so, 5 = extremely good

2) Mean ± SD, It was scored on the basis of 100 points

Table 7.
Correlation analysis of coffee factors and coffee satisfaction by cluster
Cluster Cluster 1. Outgoing activity group Cluster 2. Introverted devotion group
Type of coffee Coffee factors Coffee in coffee house Coffee in vending machine Canned or bottled coffee Coffee in coffee house Coffee in vending machine Canned or bottled coffee
Coffee factor 1. Fundamentals 0.342∗∗∗1) 0.294∗∗ 0.466∗∗∗ 0.176 0.347∗∗∗ 0.420∗∗∗
Coffee factor 2. Supplement 0.300∗∗ 0.334∗∗∗ 0.407∗∗∗ 0.151 0.372∗∗∗ 0.387∗∗∗
Coffee factor 3. Inducement 0.244∗∗ 0.240∗∗ 0.381∗∗∗ 0.154 0.377∗∗∗ 0.387∗∗∗

1) Correlation coefficient

∗∗: p < 0.01, ∗∗∗: p < 0.001

Table 8.
Regression analysis of coffee factors on coffee satisfaction by cluster
Dependent variable Independent variable Cluster 1. Outgoing activity group Cluster 2. Introverted devotion group
B ß t B ß t
  Constant 31.348   3.443∗∗
  Coffee factor 1. Fundamentals 7.124 0.268 2.359∗
Satisfaction on coffee in coffee house Coffee factor 2. Supplement 3.210 0.106 0.958
  Coffee factor 3. Inducement 3.255 0.131 R2 = 0.183 1.408
  Regression model R = 0.183 adjusted R2 = 0.163    
      F = 9.274∗∗      
  Constant 22.321   2.142∗ 12.175   1.160
  Coffee factor 1. Fundamentals 4.234 0.127 1.176 3.040 0.106 0.799
Satisfaction on Coffee factor 2. Supplement 7.513 0.235 2.368∗ 5.358 0.183 1.374
coffee in vending machine Coffee factor 3. Inducement 2.534 0.078 R2 = 0.135 0.783 7.008 0.238 R2 = 0.195 2.198∗
  Regression model adjusted R2 = 0.114 adjusted R2 = 0.169
      F = 6.488∗∗   F = 7.570∗∗
  Constant 7.364   0.781 28.696   3.645∗∗∗
  Coffee factor 1. Fundamentals 10.640 0.314 3.096∗∗ 4.945 0.222 1.569
Satisfaction on canned or bottled coffee Coffee factor 2. Supplement 4.475 0.132 1.211 2.824 0.125 0.906
  Coffee factor 3. Inducement 4.117 0.136 R2 = 0.252 1.342 4.212 0.172 R2 = 0.208 1.387
  Regression model adjusted R2 = 0.234 adjusted R2 = 0.182
    F F = 13.826∗∗ ∗∗   F = 8.142∗∗

: p < 0.05, ∗∗: p < 0.01, ∗∗∗: p < 0.001

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    The Antecedents of Coffee Satisfaction by Lifestyle Segments for Korean and Chinese University Students in Korea
    The Antecedents of Coffee Satisfaction by Lifestyle Segments for Korean and Chinese University Students in Korea

    Validity and reliability of lifestyle

    Lifestyle variables Lifestyle Factor 1. Sociability-oriented Lifestyle Factor 2. Goal-oriented Lifestyle Factor 3. Health-oriented Lifestyle Factor 4. Convenience-oriented Lifestyle Factor 5. Safety-oriented
    Lifestyle 15. I often get along with friends, seniors or juniors 0.760        
    Lifestyle 8. I like to meet a new person 0.716        
    Lifestyle 9. I enjoy going around restaurants to eat delicious meals 0.647        
    Lifestyle 12. I try steadily to work toward my goals   0.711      
    Lifestyle 11. I will save money, even if I become rich   0.681      
    Lifestyle 2. I compare prices among the online or offline stores to get a cheaper product   0.672      
    Lifestyle 10. I strive for my dreams   0.629      
    Lifestyle 4. I watch carefully what I eat     0.785    
    Lifestyle 5. I exercise to keep fit   0.546      
    Lifestyle 3. I like snacking or eating junk food       0.857  
    Lifestyle 6. I tend to make impulsive buying       0.662  
    Lifestyle 13. I put aside all my work to rest, when I am sick         0.631
    Lifestyle 7. I have done voluntary service2)         0.589
    Lifestyle 14. I think I have to tell to the owner of the restaurant if I find foreign substances such as bugs or hair in the food         0.527
    Lifestyle 1. I prefer to choose a position, which offers me the change of developing my own ability even though more risk is involved, over a stable job2)         0.480
    Variance %1) 15.877 15.223 10.503 9.687 9.479
    Cronbach's alpha     0.646    

    1) Total variance % : 60.769%, 2) Reverse coding

    Comparison of lifestyle factor by cluster

    Lifestyle Factors Cluster 1. Outgoing activity group (N = 137) Cluster 2. Introverted devotion group (N = 105) t-value
    Lifestyle factor 1. Sociability-oriented1) 3.68 ± 0.74 3.60 ± 0.69 −0.818
    Lifestyle factor 2. Goal-oriented1) 3.68 ± 0.74 3.80 ± 0.59 −3.315∗∗
    Lifestyle factor 3. Health-oriented1) 3.53 ± 0.66 2.92 ± 0.84 −4.813∗∗∗
    Lifestyle factor 4. Convenience-oriented1) 3.41 ± 0.74 2.74 ± 0.91 −5.398∗∗∗
    Lifestyle factor 5. Safety-oriented1) 3.03 ± 0.55 3.59 ± 0.54 −7.959∗∗∗

    1) Mean ± SD, Likert-type 5 point scale : 1 = strongly disagree, 3 = so-so, 5 = strongly agree

    ∗: p < 0.01, ∗∗∗: p < 0.001

    General characteristics by cluster

    Items Cluster 1. Outgoing activity group Cluster 2. Introverted devotion group Total χ2-value
    Nationality  
    Korea 68 (44.7)1) 84 (55.3) 152 (100.0) 23.463∗∗∗
    China 69 (76.7) 21 (23.3) 90 (100.0)  
    Total 137 (56.6) 105 (43.4) 242 (100.0)  
    Gender  
    Male 60 (55.6) 48 (44.4) 108 (100.0) 0.061
    Female 76 (57.1) 57 (42.9) 133 (100.0)  
    Total 136 (56.4) 105 (43.6) 241(100.0)  
    Age (years) 23.0 ± 1.52) 23.2 ± 2.2 23.0 ± 1.8 −0.9183)
    Grade  
    Freshman 48 (59.3) 33 (40.7) 81 (100.0) 2.868
    Sophomores 21 (48.8) 22 (51.2) 43 (100.0)  
    Juniors 25 (47.2) 28 (52.8) 53 (100.0)  
    Seniors 25 (59.5) 17 (40.5) 42 (100.0)  
    Total 119 (54.3) 100 (45.7) 219 (100.0)  
    Forms of residence  
    Her/His house 18. (54.5) 15 (45.5) 33 (100.0) 58.089
    Dormitory 53 (64.6) 29 (35.4) 82 (100.0)  
    Boarding house 11 (35.5) 20 (64.5) 31 (100.0)  
    Rented room 49 (55.7) 39 (44.3) 88 (100.0)  
    Others 4 (66.7) 2 (33.3) 6 (100.0)  
    Total 135 (56.3) 105 (43.8) 240 (100.0)  
    Allowance per month (thousand won)  
    < 100 13 (41.9) 18 (58.1) 31 (100.0) 56.499
    100 ≤ & < 200 31 (52.5) 28 (47.5) 59 (100.0)  
    200 ≤ & < 300 47 (58.8) 33 (41.3) 80 (100.0)  
    300 ≤ & < 400 26 (55.3) 21 (44.7) 47 (100.0)  
    400 ≤ 16 (76.2) 5 (23.8) 21 (100.0)  
    Total 133 (55.9) 105 (44.1) 238 (100.0)  

    1) N (%), 2) Mean ± SD, 3) t-value, ∗∗∗: p < 0.001

    The consumption toward coffee by cluster

    Items Cluster 1. Outgoing activity group Cluster 2. Introverted devotion group Total χ2-value
    Favorite type of coffee  
    Coffee in coffee house 32 (51.6)1) 30 (48.4) 62 (100.0) 52.152
    Coffee in vending machine 61 (61.6) 38 (38.4) 99 (100.0)  
    Canned or bottled coffee 22 (51.2) 21 (48.8) 43 (100.0)  
    Total 115 (56.4) 89 (43.6) 204 (100.0)  
    Frequency of coffee consumption  
    < 1cup/day 70 (47.9) 76 (52.1) 146 (100.0) 10.849∗∗
    1cup/day ≤ 66 (69.5) 29 (30.5) 95 (100.0)  
    Total 136 (56.4) 105 (43.6) 241 (100.0)  
    Expenses for beverage (won/month)  
    < 10,000 54 (46.2) 63 (53.8) 117 (100.0) 13.231∗∗
    10,000 ≤ & < 30,000 53 (61.6) 33 (38.4) 86 (100.0)  
    30,000 ≤ 29 (78.4) 8 (21.6) 37 (100.0)  
    Total 136 (56.7) 104 (43.3) 240 (100.0)  

    1) N (%), ∗∗: p < 0.01

    Validity and reliability of coffee attribute by type of coffee

    Coffee attributes Coffee in coffee house Coffee in vending machine Canned or bottled coffee
    Coffee Factor 1. Fundamentals Coffee Factor 2. Supplement Coffee Factor 3. Inducement Coffee Factor 1. Fundamentals Coffee Factor 2. Supplement Coffee Factor 3. Inducement Coffee Factor 1. Fundamentals Coffee Factor 2. Supplement Coffee Factor 3. Inducement
    Taste 0.745     0.830     0.664    
    Volume 0.571     0.762     0.658    
    Flavor 0.782     0.710     0.467    
    Price     0.715     0.658     0.633
    Nutrition     0.732   0.708       0.818
    Hygiene 0.516       0.686       0.594
    Color   0.713          
    Temperature   0.641       0.537   0.619  
    Concentration   0.577     0.474     0.729  
    Variety 0.608       0.736     0.646  
    Seasonality   0.703     0.658     0.615  
    Freshness 0.641       0.740     0.684  
    Brand 0.594       0.823     0.735  
    Convenience   0.674       0.773 0.759    
    Thirst relief       0.547   0.623    
    Variance %1) 23.105 20.969 13.451 16.626 28.624 11.753 17.837 25.289 13.551
    Cronbach's alpha   0.882     0.865     0.883  

    1) Total Variance : Coffee in coffee house 57.524%, Coffee in vending machine 57.003%, Canned or bottled coffee 56.677%

    Comparison of coffee factor and coffee satisfaction by cluster

    Items Cluster 1. Outgoing activity group Cluster 2. Introverted devotion group Total t-value
    Coffee in coffee house        
    Coffee factor 1. Fundamentals1) 53.36 ± 50.64 53.45 ± 50.61 53.39 ± 50.64 −1.171
    Coffee factor 2. Supplement1) 53.37 ± 50.56 53.33 ± 50.64 53.32 ± 50.64 50.624
    Coffee factor 3. Inducement1) 53.14 ± 50.67 53.03 ± 50.90 53.09 ± 50.79 51.070
    Satisfaction2) 76.38 ± 16.27 74.00 ± 15.36 76.18 ± 15.54 51.115
    Coffee in vending machine        
    Coffee factor 1. Fundamentals1) 52.97 ± 50.62 53.01 ± 50.69 53.01 ± 50.67 −0.371
    Coffee factor 2. Supplement1) 52.86 ± 50.63 52.68 ± 50.68 52.81 ± 50.66 52.104
    Coffee factor 3. Inducement1) 53.30 ± 50.62 53.49 ± 50.067 53.36 ± 50.64 −2.173
    Satisfaction2) 64.80 ± 20.45 60.17 ± 19.93 64.85 ± 20.71 51.713
    Canned or bottled coffee        
    Coffee factor 1. Fundamentals1) 53.17 ± 50.59 53.31 ± 50.66 53.23 ± 50.62 −1.734
    Coffee factor 2. Supplement1) 53.08 ± 50.58 53.15 ± 50.66 53.11 ± 50.64 −0.913
    Coffee factor 3. Inducement1) 52.99 ± 50.67 53.06 ± 50.62 53.02 ± 50.66 −0.797
    Satisfaction2) 66.97 ± 19.62 66.77 ± 15.18 68.03 ± 17.73 50.085

    1) Mean ± SD, Likert-type 5 point scale : 1 = extremely bad, 3 = so-so, 5 = extremely good

    2) Mean ± SD, It was scored on the basis of 100 points

    Correlation analysis of coffee factors and coffee satisfaction by cluster

    Cluster Cluster 1. Outgoing activity group Cluster 2. Introverted devotion group
    Type of coffee Coffee factors Coffee in coffee house Coffee in vending machine Canned or bottled coffee Coffee in coffee house Coffee in vending machine Canned or bottled coffee
    Coffee factor 1. Fundamentals 0.342∗∗∗1) 0.294∗∗ 0.466∗∗∗ 0.176 0.347∗∗∗ 0.420∗∗∗
    Coffee factor 2. Supplement 0.300∗∗ 0.334∗∗∗ 0.407∗∗∗ 0.151 0.372∗∗∗ 0.387∗∗∗
    Coffee factor 3. Inducement 0.244∗∗ 0.240∗∗ 0.381∗∗∗ 0.154 0.377∗∗∗ 0.387∗∗∗

    1) Correlation coefficient

    ∗∗: p < 0.01, ∗∗∗: p < 0.001

    Regression analysis of coffee factors on coffee satisfaction by cluster

    Dependent variable Independent variable Cluster 1. Outgoing activity group Cluster 2. Introverted devotion group
    B ß t B ß t
      Constant 31.348   3.443∗∗
      Coffee factor 1. Fundamentals 7.124 0.268 2.359∗
    Satisfaction on coffee in coffee house Coffee factor 2. Supplement 3.210 0.106 0.958
      Coffee factor 3. Inducement 3.255 0.131 R2 = 0.183 1.408
      Regression model R = 0.183 adjusted R2 = 0.163    
          F = 9.274∗∗      
      Constant 22.321   2.142∗ 12.175   1.160
      Coffee factor 1. Fundamentals 4.234 0.127 1.176 3.040 0.106 0.799
    Satisfaction on Coffee factor 2. Supplement 7.513 0.235 2.368∗ 5.358 0.183 1.374
    coffee in vending machine Coffee factor 3. Inducement 2.534 0.078 R2 = 0.135 0.783 7.008 0.238 R2 = 0.195 2.198∗
      Regression model adjusted R2 = 0.114 adjusted R2 = 0.169
          F = 6.488∗∗   F = 7.570∗∗
      Constant 7.364   0.781 28.696   3.645∗∗∗
      Coffee factor 1. Fundamentals 10.640 0.314 3.096∗∗ 4.945 0.222 1.569
    Satisfaction on canned or bottled coffee Coffee factor 2. Supplement 4.475 0.132 1.211 2.824 0.125 0.906
      Coffee factor 3. Inducement 4.117 0.136 R2 = 0.252 1.342 4.212 0.172 R2 = 0.208 1.387
      Regression model adjusted R2 = 0.234 adjusted R2 = 0.182
        F F = 13.826∗∗ ∗∗   F = 8.142∗∗

    : p < 0.05, ∗∗: p < 0.01, ∗∗∗: p < 0.001

    Table 1. Validity and reliability of lifestyle

    1) Total variance % : 60.769%, 2) Reverse coding

    Table 2. Comparison of lifestyle factor by cluster

    1) Mean ± SD, Likert-type 5 point scale : 1 = strongly disagree, 3 = so-so, 5 = strongly agree

    ∗: p < 0.01, ∗∗∗: p < 0.001

    Table 3. General characteristics by cluster

    1) N (%), 2) Mean ± SD, 3) t-value, ∗∗∗: p < 0.001

    Table 4. The consumption toward coffee by cluster

    1) N (%), ∗∗: p < 0.01

    Table 5. Validity and reliability of coffee attribute by type of coffee

    1) Total Variance : Coffee in coffee house 57.524%, Coffee in vending machine 57.003%, Canned or bottled coffee 56.677%

    Table 6. Comparison of coffee factor and coffee satisfaction by cluster

    1) Mean ± SD, Likert-type 5 point scale : 1 = extremely bad, 3 = so-so, 5 = extremely good

    2) Mean ± SD, It was scored on the basis of 100 points

    Table 7. Correlation analysis of coffee factors and coffee satisfaction by cluster

    1) Correlation coefficient

    ∗∗: p < 0.01, ∗∗∗: p < 0.001

    Table 8. Regression analysis of coffee factors on coffee satisfaction by cluster

    : p < 0.05, ∗∗: p < 0.01, ∗∗∗: p < 0.001


    Korean J Community Nutr : Korean Journal of Community Nutrition
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