TABLE 2

Maternal Characteristics and Breastfeeding Habits: Duration of Exclusive Breastfeeding

Never (n = 519), % (n)Partially for < 4 mo, Not Breastfed Thereafter (n = 1182), % (n)Partially for 4–6 mo (n = 1166), % (n)Exclusive for 4 mo, Not Breastfed Thereafter (n = 80), % (n)Exclusive for 4 mo, Partially Breastfed Thereafter (n = 1037), % (n)Exclusive for 6 mo (n = 58), % (n)P
Maternal age
    <2612.8 (76)44.4 (264)25.4 (151)1.0 (6)16.0 (95)0.5 (3)
    26–3014.9 (184)29.8 (369)29.1 (360)1.7 (21)23.1 (289)1.4 (17)
    >3011.6 (256)24.9 (549)29.7 (655)2.4 (53)29.7 (656)1.7 (38)<.01
Education
    Low13.9 (32)34.8 (80)32.2 (74)1.3 (3)17.0 (39)0.9 (2)
    Intermediate18.2 (272)37.2 (555)24.5 (366)1.9 (29)17.6 (263)0.5 (8)
    High8.6 (183)22.9 (490)31.4 (672)2.1 (45)32.9 (704)2.1 (46)<.01
Ethnicity
    Dutch14.1 (342)27.6 (668)26.8 (647)2.1 (51)27.6 (666)1.8 (43)
    Non-Dutch10.3 (155)31.4 (474)32.5 (490)1.7 (26)23.2 (350)0.9 (13)<.01
Smoking
    No11.1 (360)27.1 (882)30.3 (985)2.1 (68)27.9 (906)1.6 (52)
    Yes20.4 (127)39.9 (249)22.4 (140)1.4 (9)15.2 (95)0.6 (4)<.01
Siblings
    No12.0 (279)31.8 (739)30.0 (397)1.9 (43)23.2 (538)1.1 (25)
    ≥113.4 (208)25.1 (390)27.3 (424)2.3 (36)30.0 (466)1.9 (30)<.01
Day care attendance
    No14.3 (274)29.8 (570)28.0 (535)1.6 (31)24.9 (477)1.4 (26)
    Yes11.0 (209)28.2 (537)30.2 (576)2.3 (44)26.6 (507)1.7 (32)<.05
Family history of asthma, house dust mite allergy, and hay fever
    No11.5 (143)29.4 (364)30.6 (380)1.9 (24)25.7 (319)0.8 (10)
    Yes13.5 (242)27.3 (489)27.6 (494)1.9 (34)27.7 (496)2.1 (37)<.05
  • Values are percentages (absolute numbers). Data were missing on education (n = 185), ethnicity (n = 121), smoking (n = 170), siblings (n = 171), day care attendance (n = 240), family history of asthma, house dust mite allergy, and hay fever (n = 1046), duration of breastfeeding (n = 26), and duration of exclusive breastfeeding (n = 122). Differences between groups were compared by using χ2 tests.