Table 1 Demographic characteristics of the study participants (N = 86)

Mean age at time of enrolment (years)

45.78 ± 14.42

41.62 ± 14.41

0.186^b

Mean body weight (kg)

50.33 ± 8.82

53.30 ± 10.67

0.162^b

Male gender, no. (%)

45 (97.8%)

40 (100.0%)

1.000

Ethnicity, no. (%)

0.431

• Malay

29 (63.0%)

30 (75.0%)

• Chinese

11 (23.9%)

8 (20.0%)

• Indian

5 (10.9%)

1 (2.5%)

• Other

1 (2.2%)

1 (2.5%)

Marital status, no. (%)

0.961

• Single

17 (37.0%)

14 (35.0%)

• Married

24 (52.2%)

22 (55.0%)

• Divorced

2 (4.3%)

1 (2.5%)

• Other

3 (6.5%)

3 (7.5%)