Table 1 Baseline characteristics of participants included.

From: Associations of afternoon naps with progression of advanced cardiovascular-kidney-metabolic syndrome among Chinese adults aged 45 years and above

Variables

Cross-sectional analysis (N = 9,810)

Longitudinal analysis (N = 4,990)

Non-advanced CKM syndrome (N = 7,537)

Advanced CKM syndrome (N = 2,273)

P

Non-advanced CKM syndrome (N = 4,611)

Advanced CKM syndrome (N = 379)

P

Afternoon nap (min)

36.2 (44.2)

31.8 (42.8)

< 0.001

37.6 (46.5)

31.2 (42.7)

0.010

Afternoon nap

  

< 0.001

  

0.045

 0 min

3,090 (41.0%)

1,100 (48.4%)

 

1,960 (42.5%)

185 (48.7%)

 

 1–29 min

829 (11.0%)

201 (8.9%)

 

512 (11.1%)

36 (9.4%)

 

 30–89 min

2,434 (32.3%)

662 (29.1%)

 

1,337 (29.0%)

108 (28.6%)

 

 ≥ 90 min

1,183 (15.7%)

309 (13.6%)

 

802 (17.4%)

51 (13.4%)

 

Age

57.3 (7.85)

67.1 (10.3)

< 0.001

56.3 (6.93)

68.6 (5.79)

< 0.001

Sex

  

< 0.001

  

< 0.001

 Female

4,140 (54.9%)

1,101 (48.4%)

 

2,596 (56.3%)

170 (44.9%)

 

 Male

3,397 (45.1%)

1,172 (51.6%)

 

2,015 (43.7%)

209 (55.1%)

 

Marriage status

  

< 0.001

  

< 0.001

 Others

731 (9.70%)

495 (21.8%)

 

364 (7.89%)

74 (19.5%)

 

 Married or partnered

6,806 (90.3%)

1,778 (78.2%)

 

4,247 (92.1%)

305 (80.5%)

 

Education level

  

< 0.001

  

< 0.001

 Primary school or lower

5,159 (68.4%)

1,753 (77.1%)

 

3,122 (67.7%)

315 (83.1%)

 

 Higher than primary school

2,378 (31.6%)

520 (22.9%)

 

1,489 (32.3%)

64 (16.9%)

 

Smoking

  

< 0.001

  

0.261

 No

4,717 (62.6%)

1,091 (48.0%)

 

2,889 (62.7%)

130 (34.3%)

 

 Yes

2,820 (37.4%)

1,182 (52.0%)

 

1,722 (37.3%)

249 (65.7%)

 

Drinking

  

< 0.001

  

< 0.001

 No

5,253 (69.7%)

708 (31.1%)

 

3,235 (70.2%)

130 (34.3%)

 

 Yes

2,284 (30.3%)

1,565 (68.9%)

 

1,376 (29.8%)

249 (65.7%)

 
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