Table 1

Sociodemographic profile and family history of case and control groups
Parameter Cases (n = 44) Controls (n = 44) P value
n (%) n (%)
Gender
 Male 15 (34.1) 15 (34.1) 1.000
 Female 29 (65.9) 29 (65.9)
Ethnicity
 Malay 35 (79.5) 35 (79.5) 1.000
 Non Malay 9 (20.5) 9 (20.5)
Marital status
 Single/Divorced 38 (86.4) 38 (86.4) 1.000
 Married 6 (13.6) 6 (13.6)
Educational level
 Upper Secondary School 14 (31.8) 2 (4.5) 0.002**
 Pre-University/Higher education institute 30 (68.2) 42 (95.5)
Occupation
 Students 19 (43.2) 28 (63.6) 0.054
 Employed 25 (56.8) 16 (36.4)
Income status (monthly), RM (USD)
 ≤ RM 2000 (USD6666) 37 (84.1) 40 (90.9) 0.334
 > RM 2000 (USD6666) 7 (15.9) 4 (9.1)
Family history of acne vulgaris
 Yes 36 (81.8) 15 (34.1) <0.001***
 No 8 (18.2) 29 (65.9)

Chi-Square test.

Ismail et al.

Ismail et al. BMC Dermatology 2012 12:13   doi:10.1186/1471-5945-12-13

Open Data