Table 3

Demographic characteristics of the STS, HSE and GLF (percent, 95% confidence interval unless stated)

2007

2008


Male (%, 95% C.I.)

STS

48.5 (47.9 to 49.2)

48.5 (47.8 to 49.3)

GLF

48.6 (47.7 to 49.5)

47.1(46.4 to 47.8)

HSE

48.8 (47.9 to 49.7)

48.8 (48.2 to 49.5)

Heterogeneity

X2 = 0.27, p = 0.875

X2 = 12.7, p = 0.002

Age (mean, 95% C.I.)

STS

46.4 (46.1 to 46.7)

46.3 (46.0 to 46.6)

GLF

46.4 (46.1 to 46.7)

47.3 (46.7 to 47.9)

HSE

46.4 (45.8 to 47.0)

46.3 (45.8 to 46.8)

Heterogeneity

X2 = 0.00, p = 1.00

X2 = 5.8, p = 0.056

Lower social grade (%, 95% C.I.)*

STS

44.6 (43.9 to 45.2)

44.5 (43.8 to 45.3)

GLF

40.3 (39.4 to 41.3)

39.4 (38.0 to 40.8)

HSE

43.0 (41.4 to 44.6)

42.8 (41.7 to 43.9)

Heterogeneity

X2 = 47.7, p < 0.001

X2 = 38.9, p < 0.001


*STS = social grade, HSE = NSSEC (household) split Professional/Managerial/Intermediate & Routine/Manual

Fidler et al. BMC Public Health 2011 11:479   doi:10.1186/1471-2458-11-479

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