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Table 1 Baseline characteristics of study population by arthritis status at follow-up

From: Triglyceride-glucose index in the prediction of new-onset arthritis in the general population aged over 45: the first longitudinal evidence from CHARLS

 

Total

(n = 4418)

Non- Arthritis

(n = 4022)

Arthritis

(n = 396)

P

Age, Median (P25, P75)

57 (50, 63)

57 (50, 63)

57 (50, 62)

0.59

Gender, n (%)

   

< 0.01

Female

2184 (49.43)

1963 (48.81)

221 (55.81)

 

Male

2234 (50.57)

2059 (51.19)

175 (44.19)

 

Marital, n (%)

   

0.65

Married

4005 (90.65)

3649 (90.73)

356 (89.9)

 

Non-Married

413 (9.35)

373 (9.27)

40 (10.1)

 

Education, n (%)

   

< 0.01

Elementary school and below

2786 (63.06)

2511 (62.43)

275 (69.44)

 

High school

1069 (24.2)

977 (24.29)

92 (23.23)

 

College and higher

563 (12.74)

534 (13.28)

29 (7.32)

 

Location, n (%)

   

0.07

Urban

4038 (91.4)

3666 (91.15)

372 (93.94)

 

Rural

380 (8.6)

356 (8.85)

24 (6.06)

 

Smoking, n (%)

   

0.12

Never

2621 (59.33)

2368 (58.88)

253 (63.89)

 

Former smoker

335 (7.58)

305 (7.58)

30 (7.58)

 

Current smoker

1462 (33.09)

1349 (33.54)

113 (28.54)

 

Drinking, n (%)

   

0.05

None of these

2829 (64.03)

2553 (63.48)

276 (69.7)

 

Drink but less than once a month

377 (8.53)

347 (8.63)

30 (7.58)

 

Drink more than once a month

1212 (27.43)

1122 (27.9)

90 (22.73)

 

Sleep time, Median (P25, P75)

7 (6, 8)

7 (6, 8)

7 (5, 8)

0.12

Diabetes, n (%)

524 (11.86)

466 (11.59)

58 (14.65)

0.09

Hypertension, n (%)

1725 (39.04)

1594 (39.63)

131 (33.08)

0.01

BMI, Median (P25, P75)

23.07 (20.92, 25.36)

23.06 (20.91, 25.35)

23.23 (21.09, 25.48)

0.56

Glucose (mg/dl), Median (P25, P75)

101.88 (94.14, 111.24)

101.88 (94.14, 111.24)

101.34 (94.27, 111.28)

0.87

TG (mg/dl), Median (P25, P75)

101.78 (73.46, 152)

100.89 (72.57, 149.57)

109.74 (79.65, 162.18)

< 0.01

HDL-C (mg/dl), Median (P25, P75)

49.1 (40.21, 59.92)

49.1 (40.21, 59.92)

48.71 (39.82, 57.99)

0.09

LDL-C (mg/dl), Median (P25, P75)

114.05 (93.56, 135.7)

114.05 (93.56, 135.31)

112.89 (93.17, 138.79)

0.71

CRP (mg/dl), Median (P25, P75)

0.92 (0.5, 1.82)

0.92 (0.5, 1.82)

1.00(0.52, 1.86)

0.55

TyG, Median (P25, P75)

8.56 (8.19, 9.01)

8.55 (8.19, 9.01)

8.64 (8.26, 9.11)

< 0.01

  1. Note: p-Values were calculated from chi-square tests (categorical variables) or rank-sum tests (continuous variables without normal distribution), or t-tests (continuous variables with normal distribution)
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Lipids in Health and Disease

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