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Table 1 Sociodemographic and lifestyle characteristics

From: Risk and determinants of sarcopenia in people with diabetes: a case–control study from Qatar Biobank cohort

Socio-demographic and lifestyle variables

Total (n= 767)

Participants with DM (n= 481)

Participants without DM (n = 286)

p-valuea

n (%)

Age (years)

49.0(22)

55.0(14)

36.0(19)

P < 0.001

Age categories (years)

  ≤ 35 years old

175(22.8)

42(8.7)

133(46.5)

X2 = 164.38

P < 0.001

 36–60

444(57.9)

307(63.8)

137(47.9)

  > 60

148(19.3)

132(27.4)

16(5.6)

Gender

 Male

337(43.9)

221(45.9)

116(40.6)

X2 = 2.113

P= 0.146

 Female

430(56.1)

260(54.1)

170(59.4)

Education level

 High school and below

429(55.9)

295(61.3)

134(46.9)

X2 = 15.252

P < 0.001

 Technical/University degree and above

338(44.1)

186(38.7)

152(53.1)

Total income per month (Q.R.)

 Below 20,000

306(39.9)

210(43.7)

96(33.6)

X2 = 8.951

P = 0.011

 Above 20,000

314(40.9)

179(37.2)

135(47.2)

 I don’t know/no income

147(19.2)

92(19.1)

55(19.2)

Smoking

 Non-smoker

657(85.7)

423(87.9)

234(81.8)

X2 = 5.475

P = 0.019

 Smoker

110(14.3)

58(12.1)

52(18.2)

Cardiorespiratory fitness

 Low

87(12.8)

76(18.7)

11(4.0)

X2 = 75.892

P < 0.001

 Moderate

294(43.2)

203(50.0)

91(33.1)

 High

300(44.1)

127(31.3)

173(62.9)

BMI (kg/m2)

30.4(7.87)

31.6(7.56)

28.3(8.45)

P < 0.001

BMI categories (kg/m2)

 Underweight (< 18.5)

8(1)

0(0)

8(2.8)

X2 = 60.174

P < 0.001

 Normal (18.5–24.9)

100(13.1)

35(7.3)

65(22.8)

 Overweight (25.0–29.9)

249(32.5)

153(31.9)

96(33.7)

 Obese (≥ 30)

408(53.3)

292(60.8)

116(40.7)

Sarcopenia diagnosis

 No sarcopenia

612(88.1)

360(83.1)

252(92.2)

X2 = 27.405

P =  < 0.001

 Probable sarcopenia

71(10.2)

64(14.8)

7(2.7)

 Diagnosed sarcopenia

12(1.7)

9(2.1)

3(1.1)

  1. Continues variables reported as median (IQR) and Categorical variable reported as n(%)
  2. Sarcopenia diagnosed as handgrip strength (Low muscle quantity/mass): < 27 kg men, < 16 kg Women, and muscle mass defined as ASM/ht2 < 7 kg/m2 men and < 5.5 kg/m2 women. Probable sarcopenia diagnosed only as handgrip strength: < 27 kg men, < 16 kg Women
  3. DM Diabetes Mellitus, BMI Body mass index (kg/m2), Q.R. Qatar Riyal, Non-smoker including never smoker and past smokers
  4. ap-value was derived from chi-square for categorical variables and from Mann Whitney U test t for continuous variables