Table 1 The baseline characteristic of enrolled participants in the study (n = 3010).

From: Healthier lifestyles can modify the air pollutants effect on cardiovascular disease among the middle-aged and elderly

Variable

Overall

Non-CVD

CVD

P-value

3010

2403(79.83)

607(20.17)

 

Age (mean (SD))

59.99 (9.73)

59.28 (9.83)

62.82 (8.75)

< 0.001

Gender

Female

1368 (45.45)

1061 (44.15)

307 (50.58)

0.005

Male

1642 (54.55)

1342 (55.85)

300 (49.42)

 

Residence (%)

Rural

1866 (61.99)

1530 (63.67)

336 (55.35)

< 0.001

Urban

1144 (38.01)

873 (36.33)

271 (44.65)

 

Marital status (%)

Married and living with a spouse

2509 (83.36)

2013 (83.77)

496 (81.71)

0.248

Single, divorced, and windowedvwindowedvwindowedlivingwithouspouse

501 (16.64)

390 (16.23)

111 (18.29)

 

Education Status (%)

Elementary school or below

1995 (66.28)

1623 (67.54)

372 (61.29)

0.004

Middle school or above

1015 (33.72)

780 (32.46)

235 (38.71)

 

Smoking status(%)

Yes

1480 (49.17)

1186 (49.35)

294 (48.43)

0.719

No

1530 (50.83)

1217 (50.65)

313 (51.57)

 

Drinking status (%)

Yes

1173 (38.97)

963 (40.07)

210 (34.60)

0.015

No

1837 (61.03)

1440 (59.93)

397 (65.40)

 

Sleep duration (%)

< 7 h per day

1598 (53.09)

1250 (52.02)

348 (57.33)

0.022

≥ 7 h per day

1412 (46.91)

1153 (47.98)

259 (42.67)

 

BMI (mean (SD))

24.55 (10.39)

24.19 (8.26)

25.98 (16.22)

< 0.001

Health BMI (%)

Yes

1420 (47.18)

1193 (49.65)

227 (37.40)

< 0.001

No

1590 (52.82)

1210 (50.35)

380 (62.60)

 

Health physical activity(%)

Yes

1695 (56.31)

1397 (58.14)

298 (49.09)

< 0.001

No

1315 (43.69)

1006 (41.86)

309 (50.91)

 

Total healthy scores(mean (SD))

2.82 (1.09)

2.86 (1.10)

2.65 (1.07)

< 0.001

Regional category (%)

Eastern

999 (33.21)

811 (33.78)

188 (30.97)

0.081

Midland

1082 (35.97)

840 (34.99)

242 (39.87)

 

Western

927 (30.82)

750 (31.24)

177 (29.16)

 

Cooking fuel use (%)

Clean fuel

1730 (57.48)

1381 (57.47)

349 (57.50)

1.000

Solid fuel

1280 (42.52)

1022 (42.53)

258 (42.50)

 

Annual household expenditure (mean (SD))

14058.90 (22576.89)

14040.13 (22886.05)

14133.20 (21326.95)

0.928

Hypertension (%)

Yes

303 (10.07)

0 (0.00)

303 (49.92)

< 0.001

No

2707 (89.93)

2403 (100.00)

304 (50.08)

 

Heart disease(%)

Yes

354 (11.76)

0 (0.00)

354 (58.32)

< 0.001

No

2656 (88.24)

2403 (100.00)

253 (41.68)

 

Stroke (%)

Yes

63 (2.09)

0 (0.00)

63 (10.38)

< 0.001

No

2947 (97.91)

2403 (100.00)

544 (89.62)

 
  1. CVD: cardiovascular disease, BMI: body mass index, SD: Standard deviation.