Table 1 Baseline characteristics of study participants

N

%

N

%

N

%

Age groups

18–34

185

30.94

91

35.69

94

27.41

0.001

35–49

169

28.26

79

30.98

90

26.24

50–64

140

23.41

59

23.14

81

23.62

65+

104

17.39

26

10.20

78

22.74

Marital status

single

135

22.88

60

23.81

75

22.19

0.006

married or cohabitated

358

60.68

164

65.08

194

57.40

widow

32

5.42

5

1.98

27

7.99

divorced

65

11.02

23

9.13

42

12.43

Self-reported general health

very good

92

15.46

54

21.34

38

11.11

0.001

good

348

58.49

148

58.50

200

58.48

fair

136

22.86

45

17.79

91

26.61

bad

15

2.52

6

2.37

9

2.63

very bad

4

0.67

0

0.00

4

1.17

Place of residence

village

184

31.08

77

30.43

107

31.56

0.769

town or city

408

68.92

176

69.57

232

68.44

Education

primary

4

0.69

3

1.21

1

0.30

0.370

secondary

338

58.18

140

56.68

198

59.28

high

239

41.14

104

42.11

135

40.42