Table 3. Prevalence and crude and adjusted prevalence ratios for insufficient free-time physical activity according to occupational factors in teachers. Londrina, State of Paraná, Brazil, 2012–2013.
| Variable | n | IPA (%) | Crude analysis | Model 1a | Model 2b | |||
|---|---|---|---|---|---|---|---|---|
|
|
|
|
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| PR | 95%CI | PR | 95%CI | PR | 95%CI | |||
| Time working in the profession (years)c | ||||||||
| < 5 | 170 | 71.8 | 1 | 1 | 1 | |||
| 5–9 | 221 | 71.9 | 1.00 | 0.88–1.14 | 1.00 | 0.88–1.13 | 0.99 | 0.87–1.13 |
| 10–19 | 285 | 71.2 | 0.99 | 0.88–1.12 | 0.95 | 0.84–1.08 | 0.93 | 0.81–1.06 |
| ≥ 20 | 301 | 72.4 | 1.01 | 0.90–1.13 | 0.93 | 0.80–1.08 | 0.91 | 0.78–1.07 |
| Number of shifts | ||||||||
| 1 | 188 | 74.5 | 1 | 1 | 1 | |||
| 2 | 628 | 71.2 | 0.96 | 0.87–1.05 | 0.96 | 0.87–1.06 | 0.96 | 0.87–1.06 |
| 3 | 162 | 71.6 | 0.96 | 0.85–1.09 | 0.98 | 0.86–1.12 | 0.98 | 0.86–1.12 |
| Type of employment | ||||||||
| Statutory | 306 | 69.8 | 1 | 1 | 1 | |||
| Temporary | 672 | 76.5 | 1.10 | 1.01–1.19d | 1.12 | 1.02–1.22d | 1.13 | 1.03–1.25e |
| Working hours as a teacher (hours/week) | ||||||||
| < 21 | 163 | 70.6 | 1 | 1 | 1 | |||
| 21–40 | 611 | 73.7 | 1.04 | 0.97–1.27 | 1.06 | 0.95–1.19 | 1.10 | 0.98–1.23 |
| > 40 | 204 | 67.7 | 0.96 | 0.84–1.10 | 1.01 | 0.88–1.15 | 1.02 | 0.89–1.18 |
| Subject taught | ||||||||
| Other | 894 | 73.4 | 1 | 1 | 1 | |||
| Physical Education | 84 | 56.0 | 0.76 | 0.63–0.93e | 0.77 | 0.63–0.93e | 0.78 | 0.64–0.95d |
| Perception of balance between personal and professional life | ||||||||
| Good/Excellent | 704 | 69.3 | 1 | 1 | 1 | |||
| Bad/Regular | 274 | 78.5 | 1.13 | 1.05–1.23e | 1.12 | 1.04–1.21e | 1.09 | 1.01–1.18d |
| Perception of how long standing affects the work | ||||||||
| Does not affect | 148 | 62.2 | 1 | 1 | 1 | |||
| Affects | 830 | 73.6 | 1.18 | 1.04–1.35d | 1.17 | 1.03–1.34d | 1.16 | 1.01–1.34d |
| Perception of the current ability to work in relation to physical requirementsc | ||||||||
| Good/Very good | 588 | 67.0 | 1 | 1 | 1 | |||
| Moderate | 324 | 78.1 | 1.17 | 1.07–1.26f | 1.14 | 1.05–1.24e | 1.09 | 1.00–1.19d |
| Low/Very low | 65 | 84.6 | 1.26 | 1.12–1.42f | 1.22 | 1.08–1.38e | 1.21 | 1.08–1.35e |
| Frequency that they consider having enough time to fulfill all the workc | ||||||||
| Frequently | 166 | 69.9 | 1 | 1 | 1 | |||
| Sometimes | 442 | 71.9 | 1.03 | 0.92–1.16 | 1.03 | 0.92–1.16 | 1.01 | 0.90–1.13 |
| Never or almost never/Rarely | 342 | 72.8 | 1.04 | 0.92–1.17 | 1.05 | 0.93–1.18 | 1.00 | 0.89–1.13 |
| Frequency that they feel exhausted at the end of the workdayc | ||||||||
| Never/A few times a year | 134 | 67.9 | 1 | 1 | 1 | |||
| A few times a month | 200 | 69.0 | 1.02 | 0.88–1.18 | 1.02 | 0.88–1.18 | 1.01 | 0.87–1.17 |
| A few times a week/Daily | 613 | 73.6 | 1.08 | 0.96–1.23 | 1.07 | 0.94–1.21 | 1.03 | 0.90–1.17 |
| Frequency that they feel exhausted when getting up after a night’s sleep to face a workdayc | ||||||||
| Never/A few times a year | 386 | 69.2 | 1 | 1 | 1 | |||
| A few times a month | 254 | 72.1 | 1.04 | 0.94–1.15 | 1.04 | 0.94–1.15 | 1.01 | 0.92–1.12 |
| A few times a week/Daily | 308 | 75.0 | 1.08 | 0.99–1.19 | 1.06 | 0.97–1.17 | 1.02 | 0.93–1.12 |
IPA: insufficient free-time physical activity
a Adjusted by age, gender, and monthly family income.
b Adjusted by age, gender, monthly family income, body mass index, perceived health, and chronic pain.
c Total participants was lower than 978 because of missing information in the database.
d p < 0.05
e p < 0.01
f p < 0.001