Table 2

Risk factors identified in the logistic regression in the 6-7 years group

Males 6–7Females 6–7
OR (95% CI)P valueOR (95% CI)P value
In the past 12 months, has this child had a problem with sneezing or a runny or blocked nose when he/she DID NOT have a cold or a influenza?3.592 (4.103 to 3.146)<0.0014.484 (5.134 to 3.915)<0.001
Has this child ever had hay fever?1.453 (1.714 to 1.232)<0.0011.263 (1.506 to 1.059)0.009
Has this child had this itchy rash at any time in the past 12 months?1.735 (2.059 to 1.461)<0.0011.396 (1.669,1.168)<0.001
Did this child suffer from wheezing or whistling in the chest during his/her first year of life?3.343 (3.804 to 2.937)<0.0013.849 (4.398 to 3.368)<0.001
How many times a week does this child engage in vigorous physical activity long enough to make him/her breathe hard? Comparison never or occasionally<0.0010.028
Once or twice per week0.871 (0.995 to 0.763)0.0420.939 (1.071 to 0.824)0.349
Three or more times per week0.624 (0.737 to 0.528)<0.0010.778 (0.935 to 0.648)0.007
Has this child ever been diagnosed with pneumonia or bronchopneumonia?2.081 (2.485 to 1.743)<0.0012.181 (2.628 to 1.809)<0.001
How often, on average, have you given this child paracetamol? Comparison never<0.001<0.001
At least once a year1.245 (1.541 to 1.005)0.0451.344 (1.696 to 1.064)0.013
At least once per month2.099 (2.642 to 1.667)<0.0012.325 (2.972 to 1.820)<0.001
Altitude (mamsl) Comparison <100 m<0.001<0.001
100 to <1000 m0.722 (0.876 to 0.595)0.0010.855 (1.040 to 0.702)0.118
>1000 to 1500 m0.662 (0.789 to 0.555)<0.0010.599 (0.719 to 0.499)<0.001
>1500 to <2000 m0.546 (0.656 to 0.454)<0.0010.708 (0.847 to 0.592)<0.001
>2000 to 2500 m0.686 (0.886 to 0.531)0.0040.769 (0.991 to 0.597)0.042
>2500 m0.426 (0.530 to 0.343)<0.0010.536 (0.665 to 0.432)<0.001
Did you have a dog in your home during the first year of this child’s life?1.256 (1.418 to 1.112)<0.001
In the past 12 months, how often, on average did this child eat raw vegetables (green and root)? Comparison never or only occasionally0.008
Once or twice a week1.102 (1.264 to 0.961)0.164
Most or all days1.301 (1.538 to 1.101)0.002
In the past 12 months, how often, on average did this child eat butter? Comparison never or only occasionally0.026
Once or twice a week0.913 (1.052 to 0.793)0.207
Most or all days0.658 (0.907 to 0.478)0.011
In the past 12 months, how often, on average did this child eat nuts? Comparison never or only occasionally0.01
Once or twice a week0.823 (0.944 to 0.718)0.005
Most or all days0.793 (1.035 to 0.607)0.088
Did this child’s mother smoke during her pregnancy with this child?1.441 (2.026 to 1.026)0.035
In this child’s first year of life did this child have regular (at least once a week) contact with farm animals?1.263 (1.597 to 0.998)0.052