Table 2.
Distribution of capacity means according to study variables.
| Study Variables | Low back pain |
Total |
||||
|---|---|---|---|---|---|---|
| No |
Yes |
|||||
| Region | Mean | 95 %CI | Mean | 95 %CI | Mean | 95 %CI |
| Taparacá | 22.8 | 18.23, 27.36 | 34.6 | 30.48, 38.67 | 25.6 | 21.75, 29.57 |
| Antofogasta | 19.7 | 17.70, 21.80 | 31.0 | 27.89, 34.11 | 21.3 | 19.60, 23.00 |
| Atacama | 25.7 | 22.60, 28.81 | 40.0 | 36.94, 43.01 | 29.2 | 27.05, 31.34 |
| Coquimbo | 25.2 | 23.10, 27.28 | 37.4 | 34.29, 40.56 | 27.6 | 25.71, 29.59 |
| Valparaiso | 25.0 | 23.84, 26.18 | 37.7 | 35.49, 39.84 | 27.7 | 26.28, 28.44 |
| O´higgins | 24.4 | 22.29, 26.60 | 40.4 | 38.02, 42.84 | 28.0 | 26.21, 29.84 |
| Maule | 25.7 | 23.95, 27.37 | 36.5 | 33.90, 39.04 | 27.2 | 25.60, 28.73 |
| Biobio | 23.6 | 22.47, 24.83 | 37.5 | 35.42, 39.67 | 27.1 | 25.91, 28.36 |
| La Araucanía | 24.2 | 22.21, 26.29 | 35.2 | 32.60, 37.78 | 27.2 | 25.49, 28.95 |
| Los Lago | 25.9 | 24.06, 27.75 | 34.0 | 29.87, 38.23 | 27.4 | 25.56, 29.32 |
| Aysen | 22.3 | 19.96, 24.57 | 32.6 | 27.26, 37.93 | 24.2 | 22.55, 25.96 |
| Magallanes y La A.C | 27.4 | 23.24, 31.49 | 37.3 | 31.35,43.20 | 29.1 | 25.83, 32.45 |
| Metropolitana | 23.9 | 23.06, 24.77 | 36.6 | 35.06, 38.16 | 26.9 | 26.07, 27.78 |
| Los Rios | 28.0 | 25.71, 30.43 | 40.1 | 36.43, 43.84 | 30.6 | 28.04, 33.24 |
| Arica y Parinacota | 32.4 | 30.20, 34.70 | 41.4 | 37.65, 45.13 | 34.5 | 32.99, 35.94 |
| Sex | ||||||
| Male | 21.1 | 20.42, 21.77 | 34.1 | 32.83, 35.29 | 23.7 | 23.11, 24.39 |
| Female | 27.6 | 26.89, 28.23 | 39.1 | 38.12, 40.15 | 30.3 | 29.67, 30.91 |
| Age Group | ||||||
| 18 to 30 years old | 17.8 | 17.04, 18.65 | 30.5 | 28.61, 32.40 | 19.1 | 18.32, 19.90 |
| 30 to 50 years old | 21.1 | 20.34, 21.87 | 32.7 | 31.29, 34.06 | 23.7 | 23.04, 24.50 |
| 50 to 65 years old | 28.9 | 27.99, 29.88 | 38.6 | 37.24, 39.98 | 31.8 | 30.99, 32.66 |
| >65 years old | 36.7 | 35.58, 37.81 | 44.8 | 43.04, 46.54 | 38.8 | 37.88, 39.80 |
| Educational Level | ||||||
| No Education | 44.1 | 41.25, 47.04 | 51.2 | 46.46, 51.93 | 45.8 | 43.33, 48.26 |
| Incomplete Primary Level | 32.7 | 31.52, 33.92 | 41.6 | 39.77, 43.36 | 35.2 | 34.09, 36.26 |
| Complete Primary Level | 28.2 | 26.75, 29.70 | 39.4 | 37.39, 41.45 | 31.6 | 30.21, 32.98 |
| Incomplete Secondary Level | 25.2 | 23.92, 26.45 | 37.1 | 35.21, 38.98 | 28.1 | 27.00, 29.17 |
| Complete Secondary Level | 22.8 | 21.95, 23.69 | 34.1 | 32.85, 35.36 | 25.5 | 24.72, 26.21 |
| Incomplete Higher Education | 19.2 | 18.09, 20.39 | 33.5 | 30.34, 36.58 | 21.1 | 20.00, 22.25 |
| Graduated | 19.8 | 18.78, 20.73 | 32.4 | 30.49, 34.26 | 21.6 | 20.70, 22.56 |
| Marital Status | ||||||
| Single | 20.7 | 19.93, 21.54 | 34.9 | 33.38, 36.45 | 22.6 | 21.86, 23.42 |
| Married / Stable Union | 24.6 | 23.99, 25.31 | 35.9 | 34.80, 36.96 | 27.5 | 26.96, 28.13 |
| Widower | 37.9 | 36.30, 39.53 | 46.1 | 44.00, 48.28 | 40.2 | 38.90, 41.61 |
| Separated / Divorced | 28.9 | 27.42, 30.37 | 38.6 | 36.11, 41.17 | 31.6 | 30.20, 32.92 |
| Working Situation - Worked at least 1 hour in the last week | ||||||
| No | 29.0 | 28.26, 29.76 | 41.9 | 40.79, 43.15 | 31.8 | 31.06, 32.48 |
| Yes | 20.6 | 20.03, 21.20 | 33.0 | 31.99, 34.09 | 23.4 | 22.87, 23.99 |
| Income quintiles | ||||||
| V (larger) | 20.6 | 19.54, 21.71 | 32.8 | 30.87, 34.70 | 22.6 | 21.58, 23.57 |
| IV | 23.2 | 22.26, 24.24 | 35.0 | 33.35, 36.70 | 25.7 | 24.86, 26.63 |
| III | 24.1 | 23.06, 25.09 | 37.1 | 35.46, 38.72 | 27.0 | 26.07, 28.01 |
| II | 27.4 | 26.35, 28.45 | 38.1 | 36.55, 39.61 | 30.1 | 29.06, 30.99 |
| I (smaller) | 26.7 | 25.66, 27.77 | 39.5 | 37.76, 41.29 | 29.9 | 29.00, 30.87 |
| Type of Housing | ||||||
| House | 24.3 | 23.51, 25.04 | 37.1 | 35.83, 38.45 | 27.1 | 26.37, 27.87 |
| “House with wall and roof neighbor on one side” | 25.1 | 24.29, 25.90 | 37.1 | 35.45, 38.70 | 27.9 | 27.15, 28.67 |
| “House with wall and roof neighbor on both sides” | 25.0 | 23.87, 26.09 | 37.9 | 35.86, 39.89 | 27.6 | 26.57, 28.67 |
| Apartment in a building with elevator | 21.1 | 18.96, 23.31 | 32.8 | 38.92, 36.66 | 22.9 | 20.93, 25.01 |
| Apartment in a building without elevator | 23.1 | 21.20, 25.05 | 35.8 | 33.02, 38.52 | 25.8 | 23.99, 27.71 |
| Tenement | 22.1 | 18.82, 26.31 | 29.2 | 24.23, 34.10 | 24.2 | 21.12, 27.38 |
| “Emergency housing” | 22.9 | 18.18, 27.71 | 31.9 | 24.33, 39.45 | 25.6 | 21.15, 30.13 |
| “Ranch or Cabin” | 0.2 | - | 51.1 | 46.54, 55.73 | 32.7 | 2.78, 62.70 |
| Precarious accommodation made with reused materials | 30.5 | 15.16, 45.78 | 58.8 | 56.0, 61.52 | 33.9 | 19.76, 48.08 |
| No information | 34.8 | 23.00, 46.64 | 38.3 | 31.70, 44.87 | 35.7 | 26.93, 44.48 |
| Health Rating | ||||||
| Very good | 11.7 | 10.89, 12.56 | 23.8 | 17.80, 29.91 | 12.5 | 11.61, 13.48 |
| Good | 20.1 | 19.54, 20.63 | 27.6 | 26.59, 28.69 | 21.2 | 20.73, 21.73 |
| Regular | 34.1 | 33.32, 34.83 | 39.6 | 38.68, 40.53 | 35.9 | 35.36, 36.55 |
| Poor | 49.2 | 47.79, 50.68 | 51.0 | 49.49, 52.59 | 49.9 | 48.92, 51.01 |
| Very poor | 58.3 | 55.00, 61.58 | 55.8 | 53.11, 58.53 | 57.3 | 55.10, 59.57 |
| No information | 30.1 | 14.53, 45.66 | 48.8 | / | 35.7 | 21.92, 49.61 |