Table II.
Characteristics of children in overall cohort and if the mother did have or did not have atopic dermatitis. Prevalence measured as percentage with 95% CI.
| Overall Cohort | Children of Mothers without ADa | Children of Mothers with AD | |
|---|---|---|---|
| N (%) | 1,224,243 (100) | 913,693 (74.63) | 310,550 (25.37) |
| Follow-up time, years (SD)b | 10.8 (8.3) | 10.7 (8.4) | 11.6 (7.9) |
| Sex (male)c | 50.1 (50.0,50.2) | 49.8 (49.7,49.96) | 50.9 (50.8,51.1) |
| Food allergyc | 0.96 (0.99,0.98) | 0.49 (0.52,0.50) | 2.32 (2.42,2.37) |
| Race (White)c | 73.7 (73.6,73.8) | 74.3 (74.2,74.4) | 71.8(71.7,72.0) |
| Townsend Indexc,d | 29.7 (29.6,29.8) | 29.7 (29.6,29.8) | 29.8 (29.5,30.0) |
| Prevalence of Atopic | 25.37(25.29,25.44) | 23.24(23.16,23.32) | 37.17(36.95,37.39) |
| Dermatitisc | |||
| Prevalence of OAI e | |||
| Seasonal Allergyc | 8.14(8.09,8.19) | 7.47(7.42,7.52) | 11.86(11.72,12.01) |
| Asthmac | 13.45(13.39,13.51) | 12.72(12.65,12.78) | 17.48(17.31,17.65) |
| Food allergyc | 0.98(0.96,0.99) | 0.90(0.88,0.92) | 1.40(1.34,1.45) |
| Prevalence of any AI f | |||
| One AI | 32.68(32.60,32.65) | 31.47(31.38,31.56) | 39.42(39.19,39.64) |
| Two AI | 9.37(9.32,9.42) | 7.77(7.72,7.82) | 18.23(18.06,18.40) |
| Three AI | 1.74(1.71,1.76) | 1.18 (1.16,1.20) | 4.82(4.72,4.92) |
| Four AI | 0.03(0.03,0.03) | 0.01(0.01,0.01) | 0.01(0.01,0.12) |
a
Atopic Dermatitis
b
Age of the children at end of follow-up or follow-up time since birth
c
Percentages (95% Confidence Interval)
d
Townsend Deprivation Index (40% most deprived)
e
OAI=Other Allergic Illness
f
AI=any OAI including AD