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Table 2 Characteristics of the study participants stratified by duration of sedentary behavior (weighted)

From: Association between sedentary behavior and depression in US adults with chronic kidney disease: NHANES 2007–2018

Variables

Low

(90-270 min/d)

(n = 1718)

Middle

(300-420 min/d)

(n = 1540)

High

(480-1320 min/d)

(n = 1947)

P-value

Age (years)

58.44 (57.19, 59.69)

60.27 (59.08, 61.45)

61.57 (60.68, 62.46)

0.0002

Gender, n (%)

   

0.6733

 Female

885 (55.62)

805 (57.79)

1015 (56.45)

 

 Male

833 (44.38)

735 (42.21)

932 (43.55)

 

Race, n (%)

   

< 0.0001

 Non-Hispanic white

351 (38.66)

474 (50.72)

695 (56.28)

 

 Non-Hispanic black

233 (8.09)

252 (8.41)

357 (9.38)

 

 Mexican American

178 (7.20)

102 (4.17)

109 (3.36)

 

 Other races

956 (46.05)

712 (36.70)

786 (30.99)

 

Marital status, n (%)

   

0.0071

 Never married

181 (10.57)

192 (13.57)

233 (10.42)

 

 Married or living with a partner

995 (62.30)

828 (56.82)

997 (56.11)

 

 Widowed, divorced, or separated

542 (27.13)

520 (29.61)

717 (33.47)

 

Education, n (%)

   

0.0016

 Under high school graduate

567 (22.94)

427 (19.25)

507 (17.99)

 

 High school graduate and above

1151 (77.06)

1113, (80.75)

1440 (82.01)

 

Employment status

   

0.2070

 Yes

1205 (72.19)

1027 (68.75)

1341 (69.39)

 

 No

513 (27.81)

513 (31.25)

606 (30.61)

 

Poverty index ratio

2.53 (2.42, 2.65)

2.62 (2.52, 2.73)

2.87 (2.74, 3.00)

0.0001

Current Smoke, n (%)

800 (47.11)

782 (47.43)

1014 (52.08)

0.0431

Alcohol consumption status, n (%)

   

0.2489

 Never

417 (26.70)

372 (25.48)

505 (28.80)

 

 Former

599 (34.67)

530 (35.41)

659 (34.14)

 

 Mild

334 (119.65)

329 (20.11)

351 (16.29)

 

 Moderate

192 (9.58)

149 (9.70)

232 (11.80)

 

 Heavy

176 (9.40)

160 (9.30)

200 (8.97)

 

Walk or cycle for transportation (min/w)

0.40 (0.34, 0.46)

0.41 (0.36, 0.47)

0.41 (0.36, 0.46)

0.9553

work activity (min/w)

0.81 (0.74, 0.88)

0.85 (0.77, 0.94)

0.91 (0.83, 1.00)

0.2905

recreational activity (min/w)

0.76 (0.69, 0.83)

0.74 (0.68, 0.81)

0.79 (0.72, 0.87)

0.6166

BMI (Kg/m 2 )

29.38 (28.87, 29.88)

29.66 (29.18, 30.13)

31.36 (30.82, 31.90)

< 0.0001

Hypertension, n (%)

1185 (64.46)

1144 (67.92)

1424 (69.86)

0.0266

Diabetes, n (%)

683 (31.61)

604 (32.08)

842 (40.12)

< 0.0001

eGFR (ml/min)

77.22 (75.23, 79.21)

72.25 (70.54, 73.96)

69.62 (67.94, 71.31)

< 0.0001

Urinary albumin/creatinine ratio (mg/g)

168.57 (137.32, 199.83)

176.05 (138.53, 213.57)

203.11 (172.86, 233.35)

0.2838

Stage of CKD, n (%)

   

< 0.0001

 Early stage

1500 (89.41)

1273 (86.22)

1547 (82.35)

 

 Advanced stage

218 (10.59)

267 (13.78)

400 (17.65)

 

Stage of UACR

   

0.0678

 A1

461 (29.54)

491 (33.72)

562 (31.48)

 

 A2

1052 (59.91)

864 (57.20)

1102 (55.95)

 

 A3

205 (10.55)

185 (9.09)

283 (12.57)

 

Depression score

2.90 (2.67, 3.13)

3.47 (3.13,3.81)

3.86 (3.58,4.14)

< 0.0001

  1. Note: CKD, chronic kidney disease; Ref, reference; UCAR, urinary albumin/creatinine ratio (mg/g). For continuous variables: survey-weighted mean (95% CI), P-value was determined by survey-weighted linear regression (svyglm); for categorical variables, (N-observe, N-represent) survey-weighted percentage (95% CI), P-value was determined using a survey-weighted chi-square test (suitable)