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Table 3 Association between milk and milk products consumption and DIS

From: Association between difficulty initiating sleep in older adults and the combination of leisure-time physical activity and consumption of milk and milk products: a cross-sectional study

  DIS
  n(%) Odds ratio 95% CI  
Milk consumption   Trend P value = 0.041   
Not consuming 105 (26.4) 1.00   
Low level (0–1049 ml/w) 149 (37.5) 0.66 0.37–1.18  
High level (≥1050 ml/w) 143 (36.0) 0.47 0.26–0.84  
Yogurt consumption   Trend P value = 0.554
Not consuming 72 (18.1) 1.00   
Low level (0–599 g/w) 164 (41.3) 0.98 0.51–1.87  
High level (≥600 g/w) 161 (40.6) 1.27 0.66–2.45  
Cheese consumption   Trend P value = 0.089
Not consuming 179 (45.1) 1.00   
Low level (0–49 g/w) 115 (29.0) 0.58 0.33–1.01  
High level (≥50 g/w) 103 (25.9) 0.61 0.34–1.08  
Total dairy consumption   Trend P value = 0.242
Low level (0–805 g/w) 133 (33.5) 1.00   
Moderate level (806–1605 g/w) 132 (33.2) 1.22 0.71 2.10
High level (≥1606 g/w) 132 (33.2) 1.22 0.43 1.34
  1. Bold numbers indicate P < 0.05.
  2. DIS: difficulty initiating sleep (30 min  sleep latency); 95% CI: 95% confidence interval.
  3. Odds ratios and 95% confidence intervals were adjusted for age, gender, hypnotic use, body mass index, leisure-time physical activity and consumption of milk and milk products that were not used as independent variables.