Skip to main content

Table 1 Descriptive statistics and p-values computed from the bivariate analysis

From: Sleep duration and sleep disturbances in association with falls among the middle-aged and older adults in China: a population-based nationwide study

Variables

Total (%)

Fall

p-value

Yes (%)

No (%)

 

Sleep duration a (in hours) (n = 12,629)

  ≤ 5

3971 (31.4)

878 (22.1)

3093 (77.9)

< 0.0001

 6–7

5008 (39.7)

773 (15.4)

4235 (84.6)

 8 (ref)

2602 (20.6)

338 (13.0)

2264 (87.0)

 9–10

943(7.5)

138 (14.6)

805 (85.4)

  ≥ 11

105 (0.8)

22 (20.9)

83 (79.1)

Sleep disturbance b (n = 12,562)

 None (>  1 day) (ref)

5983 (47.6)

810 (13.5)

5173 (86.5)

< 0.0001

 Little (1–2 days)

2098 (16.7)

354 (16.9)

1744 (83.1)

 Occasionally (3–4 days)

1932 (15.4)

377 (19.5)

1555 (80.5)

 Most (5–7 days)

2549 (20.3)

595 (23.3)

1954 (76.7)

Age in years (n = 12,739 )

 50–64 (ref)

8331 (65.4)

1271 (15.3)

7060 (84.7)

< 0.0001

 65–74

3045 (23.9)

598 (19.6)

2447 (80.4)

 75+

1363 (10.7)

299 (21.9)

1064 (78.1)

Gender (n = 12,751)

 Female (ref)

6533(51.2)

1265(19.4)

5268 (80.6)

< 0.0001

 Male

6218 (48.8)

907 (14.6)

5311 (85.4)

Smoking (n = 12,745)

 Never (ref)

7554 (59.3)

1343 (17.8)

6211 (82.2)

0.0049

 Past

1241 (9.7)

218 (17.6)

1023 (82.4)

 Current

3950 (31.0)

610 (15.4)

3340 (84.6)

Drinking Behaviour (n = 12,747)

 No intake of alcohol

4081 (32.0)

722 (17.7)

3359 (82.3)

0.2380

 Exposed to alcohol intake

8666 (68.0)

1449 (16.7)

7217 (83.3)

Depression b (n = 12,450)

 None (<  1 day) (ref)

5630 (45.2)

745 (13.2)

4885 (86.8)

< 0.0001

 Little (1–2 days)

2830 (22.7)

449 (15.9)

2381 (84.1)

 Occasionally (3–4 days)

2361 (19.0)

483 (20.5)

1878 (79.5)

 Most (5–7 days)

1629 (13.1)

432 (26.5)

1197 (73.5)

Anxiety b (n = 12,544)

 None (> 1 day) (ref)

9905 (78.9)

1569 (15.8)

8336 (84.2)

< 0.0001

 Little (1–2 days)

1299 (10.4)

238 (18.3)

1061 (81.7)

 Occasionally (3–4 days)

786 (6.3)

172 (21.9)

614 (78.1)

 Most (5–7 days)

554 (4.4)

151 (27.3)

403 (72.7)

Loneliness b (n = 12,497)

 None (>  1 day) (ref)

8650 (69.2)

1311 (15.2)

7339 (84.8)

< 0.0001

 Little (1–2 days)

1598 (12.8)

287 (18.0)

1311 (82.0)

 Occasionally (3–4 days)

1189 (9.5)

258 (21.7)

931 (78.3)

 Most (5–7 days)

1060 (8.5)

264 (24.9)

796 (75.1)

Marital Status (n = 12,758)

 Never (ref)

116 (0.9)

21 (18.1)

95 (81.9)

0.0101

 Married with spouse present

10,367 (81.2)

1731 (16.7)

8636 (83.3)

 Married not living with spouse

478 (3.8)

70 (14.6)

408 (85.4)

 Separated/Divorced/Widowed

65 (0.5)

8 (12.3)

57 (87.7)

 Divorced

102 (0.8)

14 (13.7)

88 (86.3)

 Widowed

1630 (12.8)

328 (20.1)

1302 (79.9)

Hypertension (n = 12,701)

 No

9228 (72.7)

1482 (16.1)

7746 (60.9)

< 0.0001

 Yes

3473 (27.3)

674 (19.4)

2799 (80.6)

Arthritis (n = 12,731)

 No

8220 (64.6)

1172 (14.3)

7048 (85.7)

< 0.0001

 Yes

4511 (35.4)

994 (22.0)

3517 (78.0)

Stroke (n = 12,725)

 No

12,397 (97.4)

2077 (16.8)

10,320 (83.2)

< 0.0001

 Yes

328 (2.6)

90 (27.4)

238 (72.6)

Diabetes (n = 12,641)

 No

11,826 (93.5)

1960 (16.6)

9866 (83.4)

0.0011

 Yes

815 (6.5)

193 (23.7)

622 (76.3)

Mental Impairment (n = 12,746)

 No

12,421 (97.4)

2063 (16.6)

10,358 (83.4)

< 0.0001

 Yes

325 (2.6)

106 (32.6)

219 (67.4)

Vision Impairment (n = 12,755)

 No

11,835 (92.8)

1927 (16.3)

9908 (83.7)

< 0.0001

 Yes

920 (7.2)

244 (26.5)

676 (73.5)

 
  

MEAN (SE)

 

BMI

12,759

23.3 (0.10)

23.3 (0.04)

0.6233

Nap sleep duration/mins

12,759

31.1(0.90)

32.8 (0.42)

0.7519

  1. a in hours at night in the past month
  2. b in days per week
  3. SE standard error, ref reference category