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Table 1 Baseline characteristics of index individuals stratified by sex; Tehran Lipid and Glucose study (TLGS) (1999–2018)

From: Sex differences in the association between spousal metabolic risk factors with incidence of type 2 diabetes: a longitudinal study of the Iranian population

  Men n = 1833 Women n = 1952
Continuous variables
 Age (years) 45.8 (12.3) 39.7 (11.1)
 BMI (kg/m2) 26.1 (3.7) 27.6 (4.5)
 Waist circumference (cm) 89.9 (10.3) 87.3 (11.6)
 SBP (mmHg) 119.1 (17.1) 115.1 (16.9)
 DBP (mmHg) 77.7 (10.8) 76.5 (10.3)
 FPG (mmol/L) 5.07 (0.5) 4.9 (0.5)
 2 h-PLPG (mmol/L) 5.8 (1.7) 6.1 (1.5)
 TG (mmol/L) 2.1 (1.3) 1.7 (1.0)
 HDL-C (mmol/L) 0.4 (0.1) 0.5 (0.1)
 TG/HDL-C 5.4 (4.7) 3.6 (2.9)
Categorical variables
 Spousal diabetes 157 (8.5) 215 (11.0)
SES
 < 6 years of schooling 330 (18.0) 350 (17.9)
 6–12 years of schooling 1088 (59.3) 1175 (60.1)
 > 12 years of schooling 415 (22.6) 427 (21.8)
 Family history of diabetes 457 (24.9) 538 (27.6)
 Prevalent CVD 90 (4.9) 50 (2.6)
Smoking status
 Never 1005 (54.8) 1853 (94.9)
 Past 270 (14.7) 31 (1.6)
 Current 558 (30.4) 68 (3.5)
Physical activity level
 Low physically active 450 (24.5) 529 (27.1)
 Lipid-lowering medication use 35 (1.9) 45 (2.3)
 Antihypertensive medication use 72 (3.9) 107 (5.5)
  1. Values are presented as mean (standard deviation) for continuous variables and, frequency (percent) for categorical variables
  2. BMI body mass index; CVD cardiovascular disease; FPG fasting plasma glucose, SBP systolic blood pressure; DBP diastolic blood pressure; TG/HDL-C triglyceride to high-density lipoprotein cholesterol ratio; 2 h-PLPG 2 h post load plasma glucose; SES socioeconomic status defined as the highest level of educational attainment, at the couple level; SD standard deviation