International Journal of Endocrinology / 2014 / Article / Tab 2

Research Article

Behavioural Outcome in Children with Congenital Adrenal Hyperplasia: Experience of a Single Centre

Table 2

Sociodemographic characteristics of study sample.

Variable CaseControlMean difference (95% CI) statistica (df) statisticb (df) valued

Mean age at study entry in yearsa (SD)
 Case 4911.8 (3.8)0.7 (0.8–2.2)0.871 (89)0.386
 Control4212.5 (3.6)
Genderb frequency (%)
 Male3720 (54)17 (46)0.00 (1)0.974
 Female5429 (54)25 (46)
Ethnicityb frequency (%)
 Malay6938 (55)31 (45)0.71 (1)0.678
 Others2211 (50)11 (50)
Mean family income in RMa (SD)
 Case49 4383.7 (3287.6)−138.4 (−1444.6, 1169.7)−210 (89)0.834
 Control424245.2 (2936.5)
Parental marital statusc Frequency (%)
 Married8645 (52)41 (48)0.369
 Single54 (80)1 (20)

Independent -test.
b test for independence.
cFisher’s exact test.
dSignificant value <0.05.
SD: standard deviation; CI: confidence interval; RM: Ringgit Malaysia.