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Table 2 Lifestyle, overweight, and psychological status at baseline and incidence of constipation

From: Lifestyle, psychological stress, and incidence of adolescent constipation: results from the Toyama birth cohort study

  n = 5540 constipation
(%)
univariate multivariate
    OR 95%CI OR 95%CI p
Female (/male)   6.8/2.7 2.63 (2.01–3.45) 2.62 (1.99–3.46) < 0.001
Skipping breakfast (/ every day) 5.2/4.7 1.11 (0.68–1.82) 1.05 (0.63–1.73) 0.863
Sleep duration < 8 5.7 1.29 (0.78–2.16) 1.28 (0.76–2.14) 0.360
(hour) < 9 4.9 1.10 (0.85–1.42) 1.09 (0.84–1.42) 0.515
  9 or more 4.4 1   1   
Exercise inactive(/ active) 5.0/4.6 1.09 (0.82–1.45) 1.04 (0.77–1.4) 0.790
TV viewing < 2 4.2 1   1   
(hour) < 3 5.7 1.36 (1.03–1.80) 1.24 (0.93–1.64) 0.140
  3 or more 5.2 1.25 (0.84–1.85) 1.10 (0.74–1.65) 0.633
Overweight yes (/ no) 3.1/5.0 0.61 (0.40–0.92) 0.60 (0.40–0.91) 0.016
Fruits consumption, daily 4.0 1   1   
  3–5 times/week 4.9 1.23 (0.92–1.66) 1.31 (0.97–1.78) 0.082
  0–2 times/week 5.4 1.37 (1.00–1.87) 1.50 (1.08–2.09) 0.017
Vegetable consumption, daily 4.8 1   1   
  3–5 times/week 4.2 0.87 (0.64–1.18) 0.80 (0.59–1.10) 0.166
  0–2 times/week 5.3 1.12 (0.76–1.63) 1.05 (0.71–1.56) 0.814
Irritability rare 3.9 1   1   
  sometime 4.8 1.24 (0.92–1.66) 1.18 (0.88–1.60) 0.269
  often 6.1 1.59 (1.09–2.34) 1.41 (0.94–2.12) 0.101
Unwilling to attend school, rare 4.4    1   
  sometime 5.1 1.18 (0.90–1.55) 1.09 (0.82–1.45) 0.548
  often 6.6 1.55 (0.99–2.44) 1.47 (0.91–2.37) 0.114
interaction with parents, often 5.2 1   1   
  sometime 4.4 0.83 (0.61–1.13) 0.87 (0.64–1.19) 0.380
  rare 4.8 0.91 (0.67–1.25) 0.97 (0.70–1.35) 0.874
  1. OR odds ratio, CI confidence interval
  2. Variables with a significant relationship to constipation are shown in bold