Predictors of under-reporting energy intake by sex*in the Airwave Health Monitoring Study
| Women (n 1286) | ||
|---|---|---|
| Predictor included in final model† | OR | 95% CI |
| Body mass index | ||
| Ref: healthy (<25 kg/m2) | 1.00 | |
| Overweight (25–30 kg/m2) | 1.74 | (1.34 to 2.27) |
| Obese (>30 kg/m2) | 2.66 | (1.85 to 3.83) |
| Physical activity/week | ||
| Ref: low | 1.00 | |
| Moderate | 2.06 | (1.39 to 3.06) |
| High | 4.34 | (2.91 to 6.55) |
| Marital status | ||
| Ref: cohabiting | 1.00 | |
| Divorced | 0.45 | (0.26 to 0.79) |
| Married | 0.63 | (0.46 to 0.87) |
| Separated | 0.96 | (0.45 to 2.06) |
| Single | 0.69 | (0.48 to 1.00) |
| Level of education | ||
| Ref: left school before taking O levels | 1.00 | |
| GCSE/O-level/CSE | 0.52 | (0.25 to 1.10) |
| Vocational qualifications | 0.61 | (0.27 to 1.40) |
| A levels/higher or equivalent | 0.40 | (0.19 to 0.84) |
| Bachelor degree or equivalent | 0.35 | (0.16 to 0.75) |
| Postgraduate qualifications | 0.25 | (0.11 to 0.60) |
| Age (per 5-year increase) | 0.91 | (0.84 to 0.98) |
| Men (n 2268) | ||
| Body mass index | ||
| Ref: healthy (<25 kg/m2) | 1.00 | |
| Overweight (25—30 kg/m2) | 2.38 | (1.90 to 2.96) |
| Obese (>30 kg/m2) | 5.20 | (3.92 to 6.89) |
| Physical activity/week | ||
| Ref: low | 1.00 | |
| Moderate | 2.02 | (1.50 to 2.73) |
| High | 3.33 | (2.46 to 4.50) |
| Quartile (Q) of hours sitting per weekday | ||
| Ref: Q1 <4 hours per day | 1.00 | |
| Q2 <4 <6 hours per day | 1.10 | (0.86 to 1.41) |
| Q3 ≥6 <10 hours per day | 1.08 | (0.83 to 1.40) |
| Q4 ≥10 ≤13 hours per day | 0.70 | (0.55 to 0.90) |
| Age (per 5-year increase) | 0.94 | (0.89 to 0.99) |
CSE, Certificate of Secondary Education; GCSE, General Certificate of Secondary Education; O-level, ordinary level.
*Logistic regression model analyses conducted for men and women separately.
†Variables included in model presented showed significant association (p <0.05) with under-reporting in stepwise logistic regression.