Table 3.
Reports of back pain according to the explanatory variables
| Variables | Presence of pain | p* | |
|---|---|---|---|
| n | % | ||
| Appearance of back pain | 8823 | 57.8 | |
| Sociodemographic characteristics | |||
| Sex | < 0.001 | ||
| Male | 1326 | 47.6 | |
| Female | 7497 | 60.0 | |
| Age | < 0.001 | ||
| 21–43 years | 4509 | 56.1 | |
| 44–77 years | 4314 | 59.6 | |
| Schooling | < 0.001 | ||
| With post-graduate education | 6811 | 58.9 | |
| Without post-graduate education | 2012 | 54.1 | |
| Marital situation and children | 0.007 | ||
| Without partner and without children | 1425 | 54.8 | |
| Without partner and with children | 1480 | 59.1 | |
| With partner and without children | 918 | 58.2 | |
| With partner and with children | 5000 | 58.2 | |
| Characteristics of teaching work | |||
| Working time as a teacher | < 0.001 | ||
| Up to 15 years | 4826 | 54.9 | |
| 16 years or more | 3997 | 61.6 | |
| Weekly working hours before the pandemic | < 0.001 | ||
| Up to 20 h | 2301 | 53.6 | |
| Between 21 and 40 h | 5610 | 58.8 | |
| 41 h or more | 912 | 63.2 | |
| Number of teaching stages in which they operate | 0.017 | ||
| 1 stage | 5856 | 57.0 | |
| 2 stages | 2809 | 59.4 | |
| 3 stages | 158 | 59.2 | |
| Another paid activity | 0.076 | ||
| No | 5758 | 57.4 | |
| Yes, other school | 2217 | 59.2 | |
| Yes, other activity | 848 | 56.2 | |
| Overload of teaching work during the pandemic | < 0.001 | ||
| No | 1227 | 39.9 | |
| Yes | 7596 | 62.3 | |
| Number of digital tools used | < 0.001 | ||
| Up to 3 tools | 3572 | 55.6 | |
| 4 or 5 tools | 4162 | 59.1 | |
| 6 or more tools | 1089 | 59.8 | |
| Number of difficulties faced in distance teaching | < 0.001 | ||
| None | 557 | 42.1 | |
| Up to 2 | 3297 | 52.0 | |
| 3 or more | 4969 | 65.2 | |
| Health situation, habits and behaviors during the pandemic | |||
| Negative changes in quality of life | < 0.001 | ||
| No | 2227 | 44.2 | |
| Yes | 6596 | 64.4 | |
| Negative changes in health status | < 0.001 | ||
| No | 3762 | 45.0 | |
| Yes | 5061 | 73.2 | |
| Negative changes in sleep quality | < 0.001 | ||
| No | 3832 | 46.0 | |
| Yes | 4991 | 71.8 | |
| Frequent feeling of sadness, depression or anxiety | < 0.001 | ||
| No | 3911 | 46.6 | |
| Yes | 4912 | 71.4 | |
| Use of medications to relax, sleep or against stress/anxiety/depression | < 0.001 | ||
| No | 5436 | 51.3 | |
| Yes | 3387 | 72.4 | |
| Physical activity | < 0.001 | ||
| Stayed active | 1361 | 46.4 | |
| Positive changes | 1403 | 52.0 | |
| Stayed inactive | 3576 | 64.7 | |
| Negative changes | 2483 | 60.4 | |
| Increased body weight | < 0.001 | ||
| No | 3163 | 49.3 | |
| Yes | 5660 | 63.8 | |
| Reduction of leisure time | < 0.001 | ||
| No | 1728 | 45.4 | |
| Yes | 7095 | 61.9 | |
| Increased time watching television | < 0.001 | ||
| No | 4530 | 56.5 | |
| Yes | 4293 | 59.1 | |
| Increased time spent using a computer or tablet | < 0.001 | ||
| No | 554 | 41.4 | |
| Yes, within 5 h | 4016 | 52.4 | |
| Sim, 6 h or more | 4253 | 67.8 | |
| Overload of domestic work | < 0.001 | ||
| No | 2093 | 44.4 | |
| Yes | 6730 | 63.7 | |
*Pearson's chi-square test (p ≤ 0.20)