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Table 1 Participants’ characteristics in SH2 study and physical activity sub-study

From: Self-reported domain-specific and accelerometer-based physical activity and sedentary behaviour in relation to psychological distress among an urban Asian population

  Overall (n = 2653) Subsample (n = 703) p-value*
  n (%) n (%)
Age (Med, IQR) 45.0 (34.0–58.0) 46.0 (35.0–58.0) 0.50
Age Group      0.47
 18–29 433 16.3 115 16.4  
 30–39 534 20.1 135 19.2  
 40–49 592 22.3 162 23.0  
 50–59 515 19.4 154 21.9  
 60–79 579 21.8 137 19.5  
Gender      0.04
 Men 1193 45.0 285 40.5  
 Women 1460 55.0 418 59.5  
Ethnicity      0.74
 Chinese 1770 66.7 469 66.7  
 Indian 402 15.2 97 13.8  
 Malay 387 14.6 110 15.6  
 Others 94 3.5 27 3.8  
Marital status      0.11
 Not marrieda 952 35.9 275 39.1  
 Married 1701 64.1 428 60.9  
Education level      < 0.01
 Secondary & below 800 30.2 161 22.9  
 Pre-tertiary 1210 45.6 356 50.6  
 University & above 643 24.2 186 26.5  
Employment status      0.18
 Unemployed 677 25.5 162 23.0  
 Employed 1976 74.5 541 77.0  
BMI, kg/m2 (Med, IQR) 23.6 (21.0–26.5) 23.7 (21.1–26.6) 0.33
BMI category      0.33
  ≤ 22.9 Normal 1174 44.3 291 41.4  
  ≥ 23.0 & ≤27.4 Overweight 978 36.9 279 39.7  
  ≥ 27.5 Obese 501 18.9 133 18.9  
Smoking status      0.22
 Never smoker 1873 70.6 513 73.0  
 Ever smoker 780 29.4 190 27.0  
Alcohol drinking      0.08
 Non-drinker 1433 54.0 360 51.2  
 Irregular drinker 984 37.1 291 41.4  
 Regular drinker 236 8.9 52 7.4  
Psychological distress      
 K6 score ≥ 14 224 8.4 69 9.8 0.25
 K6 (Med, IQR) 7.0 (6.0–10.0) 8.0 (6.0–10.0) 0.05
 GHQ-12 score ≥ 2 577 21.7 175 24.9 0.08
 GHQ-12 (Med, IQR) 0 (0–1.0)   0 (0–1.0)   0.57
Asthma 281 10.6 69 9.8 0.55
Cancer 52 2.0 16 2.3 0.60
Diabetes mellitus 235 8.9 52 7.4 0.22
Heart attack 34 1.3 9 1.3 0.99
Stroke 31 1.2 1 0.1 0.01
Presence of at least one disease 172 6.5 136 19.3 < 0.01
  1. *p-value: Test of significance between overall sample and subsample
  2. aSingle, divorced or widowed