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Table 1 Sociodemographic characteristics of the study cohort stratified by sex

From: Obesity and the onset of depressive symptoms among middle-aged and older adults in China: evidence from the CHARLS

Characteristics

Total

Female

Male

P value

N (%)

N (%)

N (%)

Total

3337

1556 (46.63)

1781 (53.37)

NA

Demographic

 Age (year)

  45~59

1985 (59.48)

1016 (65.30)

969 (54.41)

< 0.001

  ≥ 60

1352 (40.52)

540 (34.70)

812 (45.59)

 

 Marital status

  Married/cohabitating

3100 (92.90)

1419 (91.20)

1681 (94.39)

< 0.001

  Divorced/separated/widowed/never married

237 (7.10)

137 (8.80)

100 (5.61)

 

Socioeconomic status

 Education level

  Illiterate

637 (19.09)

467 (30.01)

170 (9.55)

< 0.001

  Primary school and below

1452 (43.51)

645 (41.45)

807 (45.31)

 

  Junior high school or above

1248 (37.40)

444 (28.53)

804 (45.14)

 

 Hukou status (household registration)

  Rural

2699 (80.88)

1280 (82.26)

1419 (79.67)

0.058

  Urban

638 (19.12)

276 (17.74)

362 (20.33)

 

Health behavior

 Smoking

  Yes

1125 (33.71)

74 (4.76)

1051 (59.01)

< 0.001

  No

1932 (57.90)

1463 (94.02)

469 (26.33)

 

  Quit

280 (8.39)

19 (1.22)

261 (14.65)

 

 Drinking

  Drink more than once a month

950 (28.47)

91 (5.85)

859 (48.23)

< 0.001

  Drink but less than once a month

184 (5.51)

32 (2.06)

152 (8.53)

 

  Do not drink

2203 (66.02)

1433 (92.10)

770 (43.23)

 

Health status

 Activity of daily living

  Independent

3100 (92.90)

1432 (92.03)

1666 (93.54)

0.091

  Dependent

239 (7.10)

124 (7.97)

115 (6.46)

 

 Chronic disease

  0

1297 (38.87)

604 (38.82)

693 (38.91)

0.925

  1

1023 (30.66)

473 (30.40)

550 (30.88)

 

  ≥ 2

1017 (30.48)

479 (30.78)

538 (30.21)

 

 General obesity (BMI)

  Underweight

134 (4.02)

57 (3.66)

77 (4.32)

< 0.001

  Normal

1731 (51.87)

692 (44.47)

1039 (58.34)

 

  Overweight

1045 (31.32)

545 (35.03)

500 (28.07)

 

 Obese

427 (12.80)

262 (16.84)

165 (9.26)

 

 Abdominal obesity (WC)

  Yes

2025 (60.68)

1146 (73.65)

879 (49.35)

< 0.001

  No

1312 (39.32)

410 (26.35)

902 (50.65)

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