Table 3

Association between the prevalence of breastfeeding and the prevalence of socio-demographic variables at the PCT level: London PCTs

London PCTSBreastfeeding initiation (n = 29)Any breastfeeding at 6–8 weeks (n = 27)Exclusive breastfeeding at 6–8 weeks (n = 27)
UnadjustedAdjusted*UnadjustedAdjusted†UnadjustedAdjusted‡
OR(95% CI)OR(95% CI)OR(95% CI)OR(95% CI)OR(95% CI)OR(95% CI)
IMD
 Quintile 1 (least deprived)1.001.001.001.001.001.00
  Quintile 20.61(0.35 to 1.04)1.31(0.94 to 1.84)0.70(0.43 to 1.15)0.63*(0.35 to 0.93)
  Quintile 31.22(0.71 to 2.10)1.38*(1.03 to 1.85)1.39(0.85 to 2.28)1.07(0.72 to 1.57)
  Quintile 41.34(0.75 to 2.37)1.46*(1.06 to 2.00)1.48(0.88 to 2.50)0.95(0.62 to 1.43)
 Quintile 5 (most deprived)1.10(0.69 to 1.75)1.71***(1.30 to 2.25)1.18(0.76 to 1.84)0.82(0.58 to 1.17)
Mothers aged 35+ (%)1.05***(1.03 to 1.08)1.04***(1.02 to 1.06)1.04**(1.02 to 11.07)1.06***(1.04 to 1.07)1.05***(1.03 to 1.06)1.06***(1.04 to 1.07)
Mothers aged <20 (%)0.79**(0.68 to 0.92)0.79**(0.69 to 0.91)0.82***(0.74 to 0.91)
Population BME (%)1.02*(1.00 to 1.03)1.03***(1.01 to 1.04)1.03***(1.03 to 1.04)1.01(1.00 to 1.02)
Mothers smoking at delivery (%)0.88***(0.84 to 0.91)0.90***(0.87 to 0.94)0.88***(0.84 to 0.91)0.92***(0.89 to 0.95)0.95**(0.92 to 0.98)
  • *p<0.05; **p<0.01; *** p<0.001.

  • *Variables in model: IMD, percentage of births to older mothers, percentage of mothers smoking at delivery.

  • †Variables in model: percentage of births to older mothers, percentage of population BME.

  • ‡Variables in model: percentage of births to older mothers, percentage of mothers smoking at delivery.

  • BME, Black and Minority Ethnic; IMD, Index of Multiple Deprivation; PCT, primary care trust.