Table 2.

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

Non-London PCTs	Breastfeeding initiation (n = 115)				Any breastfeeding at 6–8 weeks (n = 110)				Exclusive breastfeeding at 6–8 weeks (n = 110)
	Unadjusted		Adjusted*		Unadjusted		Adjusted†		Unadjusted		Adjusted‡
	OR	(95% CI)`	OR	(95% CI)	OR	(95% CI)	OR	(95% CI)	OR	(95% CI)	OR	(95% CI)
IMD
Quintile 1 (least deprived)	1.00		1.00		1.00		1.00		1.00		1.00
Quintile 2	0.82	(0.68 to 1.00)	1.03	(0.88 to 1.20)	0.74*	(0.60 to 0.91)	0.98	(0.85 to 1.12)	0.83*	(0.70 to 0.98)	1.02	(0.89 to 1.17)
Quintile 3	0.68***	(0.56 to 0.83)	0.97	(0.82 to 1.15)	0.61***	(0.49 to 0.75)	0.89	(0.77 to 1.04)	0.67***	(0.56 to 0.79)	0.94	(0.80 to 1.10)
Quintile 4	0.56***	(0.46 to 0.68)	0.84	(0.70 to 1.01)	0.54***	(0.44 to 0.67)	0.83*	(0.71 to 0.98)	0.61***	(0.51 to 0.72)	0.90	(0.76 to 1.06)
Quintile 5 (most deprived)	0.50**	(0.41 to 0.61)	0.68**	(0.54 to 0.86)	0.51***	(0.41 to 0.64)	0.69***	(0.57 to 0.85)	0.54***	(0.45 to 0.65)	0.79*	(0.64 to 0.97)
Mothers aged 35+ (%)	1 07 ***	(1.06 to 1.09)	1.05***	(1.04 to 1.07)	1.08***	(1.06 to 1.09)	1.06**	(1.04 to 1.07)	1.07***	(1.05 to 1.08)	1.05***	(1.04 to 1.07)
Mothers aged <20 (%)	0.86***	(0.83 to 0.88)			0.84***	(0.82 to 0.87)			0.88***	(0.86 to 0.90)
Population BME (%)	1.01*	(1.00 to 1.02)	1.02***	(1.01 to 1.02)	1.02***	(1.01 to 1.03)	1.03***	(1.02 to 1.04)	1.01*	(1.00 to 1.02)	1.01 ***	(1.01 to 1.02)
Mothers smoking at delivery (%)	0.94***	(0.93 to 0.95)			0.93***	(0.92 to 0.94)			0.95***	(0.94 to 0.96)

*p<0.05; **p<0.01; ***p<0.001.

*Variables in model: IMD, percentage of births to older mothers,  percentage of population BME.

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

‡Variables in model: IMD, percentage of births to older mothers, percentage of population BME.

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