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Table 5 Odds ratios for college students having healthier diet and physical activity behaviors (n = 40)

From: Perceived influence and college students’ diet and physical activity behaviors: an examination of ego-centric social networks

Model variables X 2 (df) p-value R2, d Odds Ratio 95 % Confidence interval
Upper Lower
MVPA (≥30 minutes of PA/day)a 9.61 (8) 0.29 0.29    
Control Variables 8.68 (6) 0.19 0.26    
 Sex     1.43 0.30 6.88
 Age     1.02 0.92 1.15
 Ethnicity     0.27 0.05 1.58
 Calories from Fat     0.97 0.83 1.13
 Screen Time     0.66 0.23 1.89
 Fruit and Vegetable Intake     1.43 0.87 2.34
Network Variables 0.94 (2) 0.63 0.03    
 Network Nominations     1.09 0.90 1.31
 Perceived Influence on PA     1.03 0.69 1.55
Screen Time (≤2 hours screen time/day)b 9.86 (7) 0.20 0.32    
Control Variables 4.63 (6) 0.59 0.16    
 Sex     0.41 0.07 2.33
 Age     1.08 0.94 1.24
 Ethnicity     0.29 0.03 2.42
 MVPA Time     1.07 0.11 10.28
 Calories from Fat     0.84 0.68 1.05
 Fruit and Vegetable Intake     1.23 0.73 2.08
Network Variables 4.05 (2) 0.05 0.13    
 Network Nominations     1.29* 1.00 1.65
 Perceived Influence on PA     0.70 0.40 1.21
Calories from Fat (20-35 % of calories/day)c 9.97 (7) 0.19 0.32    
Control Variables 5.92 (5) 0.31 0.20    
 Sex     0.58 0.10 3.45
 Age     1.14* 1.00 1.30
 Ethnicity       
 MVPA Time     0.33 0.05 2.27
 Screen Time     0.55 0.16 1.91
 Fruit and Vegetable Intake     1.24 0.90 1.70
Network Variables 4.05 (2) 0.13 0.12    
 Network Nominations     1.22 0.97 1.52
 Perceived Influence on Eating     1.30 0.81 2.09
Fruit and Vegetable Intake 5.90 (8) 0.66 0.20    
Control Variables 4.89(6) 0.56 0.17    
 Sex     0.97 0.20 4.75
 Age     0.93 0.82 1.05
 Ethnicity     0.36 0.04 3.01
 MVPA Time     2.15 0.41 11.31
 Screen Time     0.97 0.33 2.82
 Calories from Fat     1.02 0.88 1.19
Network Variables 1.01(2) 0.60 0.03    
 Network Nominations     0.95 0.77 1.16
 Perceived Influence on Eating     0.78 0.47 1.29
  1. aSex (Male = ref), Age, ethnicity (Asian Americans = ref), percentage of daily calories from fat, computer and TV time (hours/day), total network nominations, mean influence of networks on physical activity
  2. bSex (Male = ref), Age, ethnicity (Asian Americans = ref), percentage of daily calories from fat, moderate-to-vigorous physical activity (hours/day), total network nominations, mean influence of networks on eating
  3. cSex (Male = ref), Age, computer and TV time (hours/day), moderate-to-vigorous physical activity (hours/day), total network nominations, mean influence of networks on eating
  4. dNagelkerke R2, two-tailed tests for significance
  5. *p ≤ .05