Crude ORs and 95% CIs for associations between workplace-related factors and poor self-rated oral health (SROH) among 3201 men and women aged 25–50 years in Japan during 2010–2011
| Independent variable | OR | 95% CI | p Value |
|---|---|---|---|
| Job stress | |||
| 1st tertile (least stressful) | 1.00 | ||
| 2nd tertile | 1.00 | (0.83 to 1.21) | 0.99 |
| 3rd tertile (most stressful) | 1.36 | (1.12 to 1.64) | 0.0018 |
| Social support in workplace | |||
| 1st tertile (most supportive) | 1.00 | ||
| 2nd tertile | 1.34 | (1.10 to 1.63) | 0.0033 |
| 3rd tertile (least supportive) | 1.39 | (1.14 to 1.68) | 0.001 |
| Working hours per week | |||
| <40 | 1.19 | (0.96 to 1.47) | 0.12 |
| 40–50 | 1.00 | ||
| 50–60 | 1.16 | (0.85 to 1.58) | 0.34 |
| >60 | 1.69 | (1.20 to 2.39) | 0.0027 |
| Type of employment | |||
| Permanent | 1.00 | ||
| Precarious | 1.32 | (1.11 to 1.57) | 0.002 |
| Self-employed | 1.10 | (0.82 to 1.49) | 0.52 |
SROH was assessed by the following question. “Overall, how would you rate the health of your teeth and gums?” Potential responses ranged from “(1) excellent, (2) good, (3) fair, (4) not so good to (5) poor.” In the analysis, the outcome was dichotomised: “(1) excellent and (2) good, (3) Fair” as “Good SROH,” and “(4) not so good and (5) poor” as “Poor SROH”.