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Table 4 Associations between DIS and LTPA along with milk and milk products consumption

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
LTPA   Milk  
Not engaging × Not consuming 19 (4.8) 1.00  
Not engaging × Consuming 38 (9.6) 0.42 0.13–1.37
Engaging × Not consuming 86 (21.7) 0.45 0.16–1.30
Engaging × Consuming 254 (64.0) 0.27 0.10–0.73
LTPA   Yogurt    
Not engaging × Not consuming 14 (3.5) 1.00  
Not engaging × Consuming 43 (10.8) 1.08 0.30–3.96
Engaging × Not consuming 58 (14.6) 0.57 0.16–2.06
Engaging × Consuming 282 (71.0) 0.64 0.20–2.03
LTPA   Cheese    
Not engaging × Not consuming 26 (6.5) 1.00  
Not engaging × Consuming 31 (7.8) 0.66 0.21–2.09
Engaging × Not consuming 153 (38.5) 0.59 0.24–1.45
Engaging × Consuming 187 (47.1) 0.34 0.14–0.85
LTPA   Total dairy    
Not engaging × Low level (0–12933 g/w) 32 (8.1) 1.00  
Not engaging × High level (≥12934 g/w) 25 (6.3) 1.90 0.62–5.82
Engaging × Low level (0–12933 g/w) 167 (42.1) 0.83 0.36–1.91
Engaging × High level (≥12934 g/w) 173 (43.6) 0.77 0.33–1.76
  1. Bold numbers indicate P < 0.05.
  2. DIS: difficulty initiating sleep (30 min  sleep latency); LTPA: leisure-time physical activity.
  3. Odds ratios and 95% confidence intervals were adjusted for age, gender, hypnotic use, body mass index and consumption of milk and milk products that were not used as independent variables.