Table 4.
Results from multivariate logistic regression analysis on dental care use items
| Variable | Any dental care |
Preventive only |
Operative only |
Preventive + operative |
||||
|---|---|---|---|---|---|---|---|---|
| OR | 95% CI | OR | 95% CI | OR | 95% CI | OR | 95% CI | |
| Age (years) | 0.99 | 0.98–1.01 | 1.02 | 0.99–1.04 | 1.00 | 0.98–1.02 | 0.97* | 0.95–0.99 |
| Gender | ||||||||
| Male | 1 (ref.) | 1 (ref.) | 1 (ref.) | 1 (ref.) | ||||
| Female | 1.47* | 1.18–1.84 | 1.72* | 1.16–2.55 | 1.23 | 0.95–1.59 | 1.09 | 0.79–1.49 |
| Income | ||||||||
| Lower tertile | 1 (ref.) | 1 (ref.) | 1 (ref.) | 1 (ref.) | ||||
| Middle tertile | 1.16 | 0.89–1.52 | 0.95 | 0.51–1.77 | 0.94 | 0.69–1.27 | 1.68* | 1.10–2.56 |
| Upper tertile | 1.53* | 1.16–2.01 | 2.37* | 1.40–4.04 | 0.91 | 0.66–1.27 | 1.54* | 1.00–2.35 |
| General health | ||||||||
| Excellent | 1 (ref.) | 1 (ref.) | 1 (ref.) | 1 (ref.) | ||||
| Very good | 0.97 | 0.60–1.55 | 0.76 | 0.39–1.47 | 1.89 | 0.96–3.73 | 0.67 | 0.37–1.23 |
| Good | 0.92 | 0.59–1.46 | 0.66 | 0.34–1.28 | 2.19* | 1.14: 4.21 | 0.57 | 0.32–1.02 |
| Fair | 0.89 | 0.56–1.40 | 0.44* | 0.22–0.86 | 2.24* | 1.17–4.29 | 0.67 | 0.37–1.20 |
| Poor | 0.81 | 0.49–1.34 | 0.40* | 0.16–0.95 | 2.02 | 0.10–4.07 | 0.65 | 0.33–1.27 |
| Labour force status | ||||||||
| Employed or self-employed | 1 (ref.) | 1 (ref.) | 1 (ref.) | 1 (ref.) | ||||
| Retired | 1.10 | 0.82–1.47 | 1.26 | 0.79–2.01 | 0.97 | 0.69–1.35 | 1.13 | 0.75–1.70 |
| Unemployed and looking for work | 1.15 | 0.45–2.95 | 0.97 | 0.11–8.47 | 2.18 | 0.89–5.32 | † | † |
| Permanently sick or disabled | 0.63 | 0.37–1.05 | 0.53 | 0.11–2.45 | 0.74 | 0.41–1.34 | 0.62 | 0.30–1.30 |
| Homemaker | 0.50* | 0.35–0.73 | 0.57 | 0.27–1.21 | 0.77 | 0.50–1.19 | 0.47* | 0.25–0.87 |
| Other | 3.32* | 1.21–9.12 | 6.13* | 2.13–17.65 | 1.41 | 0.47–4.29 | 0.92 | 0.20–4.24 |
| Ability to bite/chew on hard food | ||||||||
| No | 1 (ref.) | 1 (ref.) | 1 (ref.) | 1 (ref.) | ||||
| Yes | 0.87 | 0.67–1.13 | 2.28* | 1.20–4.32 | 0.71* | 0.53–0.95 | 0.85 | 0.58–1.25 |
| Denture wearing | ||||||||
| No | 1 (ref.) | 1 (ref.) | 1 (ref.) | 1 (ref.) | ||||
| Yes | 0.33* | 0.26–0.42 | 0.38* | 0.24–0.59 | 0.48* | 0.36–0.63 | 0.49* | 0.35–0.69 |
| Dental care is paid for: | ||||||||
| Mostly or fully by respondent | 1 (ref.) | 1 (ref.) | 1 (ref.) | 1 (ref.) | ||||
| Mostly or fully by insurance | 0.85 | 0.60–1.21 | 0.81 | 0.44–1.47 | 0.81 | 0.54–1.23 | 1.18 | 0.74–1.87 |
| Number of observations | 1,669 | 1,669 | 1,669 | 1,646 | ||||
*
Statistical significance at the level of <5%.
†
Dropped because of perfect co-linearity (23 observations were not used). 95% CI, 95% confidence interval; OR, odds ratio.