Table 3 Factors associated with IID incidence in the community, IID2 Study, UK 2008–9
Variable | RR | p | (95% CI)1 |
|---|---|---|---|
Age group | |||
<1 year-olds | 5.00 | <0.001 | (3.11 - 8.03) |
1 to 4 year-olds | 3.62 | <0.001 | (2.91 - 4.52) |
5 to 14 year-olds | 1.40 | 0.003 | (1.12 - 1.76) |
15 to 64 year-olds | 1.27 | 0.002 | (1.09 - 1.48) |
65+ year-olds | 1.00 | -- | -- |
Linear effect of previous episodes on: | |||
<1 year-olds | 1.70 | 0.001 | (1.25 - 2.32) |
1 to 4 year-olds | 1.28 | 0.109 | (0.95 - 1.72) |
5 to 14 year-olds | 2.49 | <0.001 | (1.78 - 3.47) |
15 to 64 year-olds | 2.08 | <0.001 | (1.80 - 2.41) |
65+ year-olds | 3.08 | <0.001 | (2.54 - 3.74) |
Sex | |||
Male | 1.00 | -- | -- |
Female | 1.22 | 0.001 | (1.08 - 1.37) |
NS-SEC | |||
Managerial and professional occupations | 1.00 | -- | -- |
Intermediate occupations | 0.96 | 0.772 | (0.74 - 1.25) |
Small employers and own account workers | 0.98 | 0.843 | (0.82 - 1.17) |
Lower supervisory and technical occupations | 0.63 | <0.001 | (0.51 - 0.80) |
Semi-routine and routine occupations | 0.82 | 0.089 | (0.64 - 1.03) |
Not classifiable | 0.90 | 0.189 | (0.76 - 1.05) |