Table 2 Prevalence of MONW of the individuals stratified by age and gender

Overall

6097 (34.1)

2220 (29.7)

3877 (37.3)

< 0.001

0.80

 20-

66 (7.0)

29 (8.6)

37 (6.2)

0.167

1.39

 30-

64 (11.2)

37 (18.1)

27 (7.3)

< 0.001

2.48

 35-

120 (15.2)

66 (20.4)

54 (11.6)

0.001

1.76

 40-

163 (16.0)

91 (21.6)

72 (12.1)

< 0.001

1.78

 45-

302 (22.0)

106 (21.8)

196 (22.1)

0.886

0.99

 50-

776 (33.4)

138 (25.0)

638 (36.0)

< 0.001

0.69

 55-

1136 (37.4)

258 (27.0)

878 (42.2)

< 0.001

0.64

 60-

1333 (42.1)

555 (33.9)

778 (51.0)

< 0.001

0.66

 65-

838 (45.4)

395 (38.6)

443 (53.7)

< 0.001

0.72

 70-

1299 (46.3)

545 (35.6)

754 (59.0)

< 0.001

0.60

P_trend

< 0.001

< 0.001

< 0.001