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

Female (/male)

6.8/2.7

2.63

(2.01–3.45)

2.62

(1.99–3.46)

5.2/4.7

1.11

(0.68–1.82)

1.05

(0.63–1.73)

Sleep duration

< 8

5.7

1.29

(0.78–2.16)

1.28

(0.76–2.14)

(hour)

< 9

4.9

1.10

(0.85–1.42)

1.09

(0.84–1.42)

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)

TV viewing

< 2

4.2

1

1

(hour)

< 3

5.7

1.36

(1.03–1.80)

1.24

(0.93–1.64)

3 or more

5.2

1.25

(0.84–1.85)

1.10

(0.74–1.65)

Overweight

yes (/ no)

3.1/5.0

0.61

(0.40–0.92)

0.60

(0.40–0.91)

4.0

1

1

3–5 times/week

4.9

1.23

(0.92–1.66)

1.31

(0.97–1.78)

0–2 times/week

5.4

1.37

(1.00–1.87)

1.50

(1.08–2.09)

4.8

1

1

3–5 times/week

4.2

0.87

(0.64–1.18)

0.80

(0.59–1.10)

0–2 times/week

5.3

1.12

(0.76–1.63)

1.05

(0.71–1.56)

Irritability

rare

3.9

1

1

sometime

4.8

1.24

(0.92–1.66)

1.18

(0.88–1.60)

often

6.1

1.59

(1.09–2.34)

1.41

(0.94–2.12)

4.4

1

sometime

5.1

1.18

(0.90–1.55)

1.09

(0.82–1.45)

often

6.6

1.55

(0.99–2.44)

1.47

(0.91–2.37)

5.2

1

1

sometime

4.4

0.83

(0.61–1.13)

0.87

(0.64–1.19)

rare

4.8

0.91

(0.67–1.25)

0.97

(0.70–1.35)