Table 5. Univariate logistic regression analysis of sociodemographic, behavioural, anthropometric and oral hygiene variables for the outcome variable CAL ≥ 3 mm (N = 405).
| Predictor variables | OR (95% CI) | p | |
|---|---|---|---|
| Gender | Female | 1 | – |
| Male | 1.32 (0.77–2.26) | 0.310 | |
| Age (years) | <0.001 | ||
| 20–44 | 1 | – | |
| 45–64 | 3.70 (2.04–6.69) | <0.001 | |
| ≥65 | 5.20 (2.31–11.70) | <0.001 | |
| Smoking status | Smoker | 2.06 (1.11–3.81) | 0.021 |
| Non-smoker | 1 | – | |
| Education (years) | 0.107 | ||
| 1–4 | 1.40 (0.74–2.66) | 0.298 | |
| 5–12 | 2.09 (1.05–4.13) | 0.035 | |
| >12 | 1 | – | |
| Employment status | 0.246 | ||
| Employed | 1 | – | |
| Unemployed | 1.67 (0.74–3.77) | 0.219 | |
| Retired | 1.54 (0.84–2.81) | 0.163 | |
| BMI (kg/m2) | 0.699 | ||
| <18.5 | 1 | – | |
| 18.5–24.9 | 1.06 (0.11–9.79) | 0.961 | |
| 25.0–29.9 | 1.48 (0.16–13.82) | 0.732 | |
| ≥30 | 1.40 (0.14–13.59) | 0.774 | |
| Last dental visit | 0.026 | ||
| <1 year | 1 | – | |
| 1–2 years | 1.39 (0.54–3.57) | 0.493 | |
| 3–4 years | 0.42 (0.22–0.81) | 0.009 | |
| ≥5 years | 0.97 (0.46–2.03) | 0.930 | |
| Never | 0.24 (0.04–1.54) | 0.134 | |
| Consultation motive | 0.806 | ||
| Routine | 1 | – | |
| Aesthetics | 0.72 (0.29–1.80) | 0.483 | |
| Pain | 1.09 (0.50–2.35) | 0.834 | |
| Functional | 1.24 (0.66–2.36) | 0.502 | |
| Other | 1.39 (0.29–6.60) | 0.680 | |
| Dental floss use | Yes | 1 | – |
| No | 1.66 (0.97–2.82) | 0.063 | |
| Toothbrush frequency | 0.803 | ||
| 2–3 times/daily | 1 | – | |
| 1 time/daily | 1.27 (0.63–2.56) | 0.508 | |
| 2–6 times/weekly | – | 0.998 |
Notes.
- BMI (kg/m2)
- Body Mass Index (kilogram/meter2)
- CI
- Confidence Interval
- OR
- Odds Ratio