Table 2

Mean daily lactose consumption (in grams) in ovarian cancer cases and controls

VariableAll casesAll controls
nMean(SE)nMean(SE)
Age
<5026315.55(0.78)26017.57(0.84)
≥5029217.26(0.85)26115.59(0.77)
Study center
MA42816.10(0.66)41016.22(0.63)
NH12717.60(1.23)11117.92(1.34)
Religion
Jewish5012.64(1.32)4416.13(1.75)
Non-Jewish50516.82(0.62)47716.62(0.60)
Parity
018516.61(1.06)10615.77(0.95)
≥137016.36(0.69)41516.79(0.67)
OC use
Never or <3 mon32916.61(0.78)24516.00(0.74)
≥3 mon22616.21(0.87)27617.09(0.85)
Lactose intolerance
No49316.80(0.62)45117.35(0.60)
Yes6213.68(1.47)7011.65(1.54)
Onset of lactose intolerance
< age 20721.06(5.57)1310.16(1.64)
≥ age 205512.74(1.49)5712.00(1.86)
Education
≤12 yr21515.30(0.93)16915.85(1.03)
>12 yr34017.17(0.74)35216.93(0.68)
All55516.45(0.58)52116.58(0.57)