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Table 3 The results obtained from logistic regression analysis for low serving milk and dairy products consumption among adolescents (n = 402)

From: Social support and dairy products intake among adolescents: a study from Iran

  Unadjusted OR (95 % CI) P-value Adjusted OR (95 % CI)a P-value
Gender
 Girl 1.0 (ref)   1.0 (ref)  
 Boy 2.28 (1.25–4.15) 0.007 2.41 (1.25–4.67) 0.009
Age (yrs)
 ≤ 12 1.0 (ref)   1.0 (ref)  
 13 1.10 (0.50–2.24) 0.874 1.11 (0.52–2.41) 0.784
 ≥ 14 2.01 (0.51–7.79) 0.318 2.04 (0.47–7.98) 0.357
Mother’s age (yrs)
 20–34 1.0 (ref)   1.0 (ref)  
 35–39 1.24 (0.65–2.36) 0.524 1.41 (0.72–2.75) 0.316
 40–55 2.17 (1.04–4.54) 0.038 2.52 (1.18–5.38) 0.017
Mother’s employment
 Housewife 1.0 (ref)   1.0 (ref)  
 Employed 1.11 (0.49–2.48) 0.796 1.23 (0.48–3.16) 0.656
Mother’s education (yrs)
 > 12 1. 0 (ref)   1. 0 (ref)  
 0–12 1.01 (0.33–1.98) 0.637 1.04 (0.21–1.93) 0.658
Father’s education (yrs)
 > 12 1. 0 (ref)   1. 0 (ref)  
 0–12 2.03 (0.97–3.43) 0.059 1.04 (0.27–1.07) 0.078
FAS
 High 1.0 (ref)   1.0 (ref)  
 Intermediate 1.10 (0.91–2.60) 0.788 1.10 (0.16–2.67) 0.572
 Low 1.10 (0.23–2.92) 0.766 1.11 (0.24–2.61) 0.706
Self efficacy score 1.10 (0.95–1.12) 0.421 1.10 (0.94–1.34) 0.390
PIFS score 1.11 (0.95–1.22) 0.916 1.03 (0.95–1.30) 0.439
PEFS score 1.11 (0.98–2.28) 0.065 1.10 (1.05–3.61) 0.034
PPFS score 2.45 (1.89–5.90) 0.037 2.04 (1.18–4.17) 0.025
Physical activity (minutes/day) 1.02 (0.34–1.48) 0.369 1.11 (0.36–1.66) 0.517
Sedentary activity (minutes/day) 1.34 (0.75–2.37) 0.324 1.10 (0.60–2.30) 0.762
Sweet food intake 1.02 (0.75–1.16) 0.493 1.11 (0.69–1.13) 0.332
  1. aAdjusted for adolescents’ age and gender, mother’s age and employment, parental education, FAS, self-efficacy, PIFS, PEFS, PPFS, physical activity, sedentary activity, and sweet food intake
  2. FAS: Family affluence scale
  3. PIFS: Perceived informational family support
  4. PEFS: Perceived emotional family support
  5. PPFS: Perceived practical family support