Characteristic

All

N = 430

Less Time Squatting

< 246 Minutes

N = 283

More Time Squatting

≥ 246 Minutes

N = 147

p-Value

Age (years)

<20

20 - 30

>30

97

291

42

52 (54)

211 (72)

20 (48)

45 (46)

80 (28)

22 (52)

<0.001

Gestation period (weeks)

37 - 40

>40

281

149

201 (72)

82 (55)

80 (28)

67 (45)

<0.001

BMI (kg·m⁻²)

<18.5

18.5 - 24.9

25.0 - 29.9

≥30.0

115

201

86

28

56 (49)

150 (75)

61 (71)

16 (57)

59 (51)

51 (25)

25 (29)

12 (43)

<0.001

Race

Sinhala

Tamil

Muslim

356

46

28

233 (65)

29 (63)

21 (75)

123 (35)

17 (37)

7 (25)

0.541

Religion

Buddhism

Christians

Hinduism

Islam

339

39

26

26

225 (66)

20 (51)

19 (73)

19 (73)

114 (34)

19 (49)

7 (27)

7 (27)

0.177

Education level

Grade 1 - 5

Grade 6 - 10

Passed GCE-O/L

Passed GCE-A/L

Degree and above

4

149

144

116

17

4 (100)

77 (52)

112 (78)

80 (69)

10 (59)

0 (0)

72 (48)

32 (22)

36 (31)

7 (41)

<0.001

Occupation

Clerical worker

Housewife

Manual worker

Professional

58

279

52

41

48 (83)

173 (62)

39 (75)

23 (56)

10 (17)

106 (38)

13 (25)

18 (44)

0.005

Husband’s occupation

Clerical worker

Manual worker

Professional

Unemployed

Not available

102

235

70

18

5

77 (75)

151 (64)

41 (59)

12 (67)

2 (40)

25 (25)

84 (36)

29 (41)

6 (33)

3 (60)

0.107

Running water supply

406

266 (66)

140 (34)

0.594

Home latrine use

Commode

Squatting pan

235

195

200 (85)

83 (43)

35 (15)

112 (57)

<0.001

Workplace latrine use

Commode

Squatting pan

Not available

92

59

279

78 (85)

32 (54)

173 (62)

14 (15)

27 (46)

106 (38)

<0.001