Table 2 Comparison of predictors between development and validation groups

Age (year) ^a

37.67 ± 8.97

37.67 ± 9.29

0.994

BMI (kg / m²) ^a

21.98 ± 2.85

21.88 ± 2.99

0.570

SBP (mmHg) ^b

116 (108 124)

116(108 126)

0.944

Residence ^c

0.586

 Urban

564 (68.61)

273 (67.08)

 Rural

258 (31.39)

134 (32.92)

Diet ^c

0.325

 With meat and vegetables

674 (82.00)

321 (78.87)

 Meat-based diet

50 (6.08)

33 (8.11)

 Plant-based diet

98 (11.92)

53 (13.02)

Fruits eating ^c

0.989

  ≥ 4 times per week

646 (78.59)

320 (78.62)

  < 4 times per week

176 (21.41)

87 (21.38)

Daily sleep duration (hour)^b

8.00 (7.00 8.00)

7.50 (7.00 8.00)

0.379

Parity ^c

0.697

 0

170 (20.68)

90 (22.11)

 1

375 (45.62)

189 (46.44)

  > 1

277 (33.70)

128 (31.45)

History of ovarian cyst ^c

0.543

 No

613 (74.57)

310 (76.17)

 Yes

209 (25.43)

97 (23.83)