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. 2015 Sep 29;10(9):e0138227. doi: 10.1371/journal.pone.0138227

Table 2. Descriptive statistics of variables in this study, crude and stratified by “above average” (i.e. above-average) SRHS.

YEAR 2000 YEAR 2013
Total sample %/Mean (95%CI) “Above average” SRHS [Adult sample only] %/Mean (95%CI) Total sample %/Mean (95%CI) “Above average” SRHS [Adult sample only] %/Mean (95%CI)
Demographics:
Age (continuous) X = 30.63 (30.47–30.80) X = 37.34 (37.51–37.98) X = 35.38 (35.16–35.59) X = 37.74 (37.50–37.98)
Sex (female)** 51.08 (50.67–51.50) 60.63 (59.92–61.54) 52.63 (52.33–52.93) 49.69 (49.20–50.18)
Zone (rural)* 12.90 (12.76–13.05) 10.98 (10.73–11.23) 13.15 (12.80–13.51) 12.50 (12.09–12.91)
Marital status:
Single** 51.23(50.81–51.64) 29.41 (28.68–30.14) 50.42 (50.05–50.80) 44.81 (44.22–45.43)
Married/ cohabiting** 41.21 (40.80–41.62) 60.76 (59.95–61.55) 39.70 (39.28–40.11) 46.16 (45.49–46.84)
Divorced/separated** 3.80 (3.65–3.95) 5.84 (5.42–6.30) 5.62 (5.61–5.83) 5.95 (5.61–6.31)
Widow* 3.76 (3.63–3.90) 3.99 (3.69–4.32) 4.26 (4.11–4.41) 3.07 (2.89–3.26)
Number of household members (continuous)* X = 4.69 (4.68–4.71) X = 4.27 (4.24–4.29) X = 4.10 (4.07–4.14) X = 4.06 (4.02–4.10)
Belong to an ethnic group in Chile (yes) 4.51 (4.37–4.65) 3.87 (3.63–4.13) 9.14 (8.78–9.53) 8.41 (7.92–8.92)
Socioeconomics:
Mean equivalized household income ($USD for each year***):
Poorest quintile 1** X = 111.95 (111.38–112.51) X = 113.16 (111.77–114.56) X = 189.71 (188.37–191.05) X = 192.61 (190.52–194.69)
Quintile 2** X = 224.86 (224.37–225.36) X = 226.11 (225.16–227.04) X = 362.10 (361.19–363.00) X = 363.60 (362.40–364.80)
Quintile 3** X = 351.60 (350.71–352.49) X = 352.23 (350.74–353.72) X = 544.86 (543.68–546.08) X = 546.70 (544.97–548.43)
Quintile 4** X = 566.41 (564.38–568.44) X = 571.90 (567.70–576.09) X = 834.06 (831.86–836.26) X = 834.19 (831.13–837.82)
Wealthiest quintile 5** X = 1 820.26 (1 748.08–1 892.44) X = 1 831.68 (1 715.34–1 948.03) X = 2 100.43 (2 203.08–2 228.31) X = 2 279.99 (2 191.04–2 368.83)
Type of occupation:
Does not work** 63.69 (63.29–64.10) 51.22 (50.40–52.05) 58.35 (57.99–58.71) 43.72 (43.16–44.28)
Manager** 1.44 (1.32–1.58) 2.16 (1.83–2.56) 0.81 (0.74–0.89) 1.09 (0.68–1.21)
Self employed 7.18 (6.98–7.13) 9.99 (9.45–10.55) 8.11 (7.85–8.38) 9.42 (9.02–9.84)
Public sector 3.89 (3.69–4.09) 6.30 (5.77–6.87) 4.22 (4.05–4.39) 5.78 (5.52–6.05)
Private sector** 20.64 (20.30–20.97) 25.76 (25.04–26.48) 26.65 (26.30–27.01) 37.84 (37.26–38.43)
Domestic services** 2.11 (2.00–2.22) 3.09 (2.83–3.38) 1.57 (1.49–1.66) 1.67 (1.55–1.81)
Army or other* 0.50 (0.45–0.56) 0.66 (0.54–0.80) 0.29 (0.25–0.39) 0.47 (0.40–0.55)
Educational level:
No education** 10.13 (9.92–10.35) 2.49 (2.30–2.69) 11.37 (11.12–11.62) 1.57 (1.42–1.73)
Up to primary level** 40.70 (40.30–41.09) 24.32 (23.75–24.90) 30.49 (30.09–30.89) 17.78 (17.26–18.32)
Up to secondary level* 26.66 (26.29–27.03) 37.77 (36.97–38.59) 31.55 (31.12–31.99) 40.38 (39.71–41.06)
Higher ** 22.51 (22.12–22.91) 35.42 (34.59–36.27) 26.59 (26.14–27.04) 40.27 (39.88–40.99)
Healthcare provision entitlement:
No health care provision** 0.92 (0.82–1.04) 0.66 (0.55–0.79) 1.82 (1.70–1.95) 1.90 (1.74–2.07)
Public free (means tested)** 24.28 (23.99–24.57) 19.42 (18.93–19.93) 28.04 (27.43–28.66) 22.90 (22.26–23.56)
Public with co-payment** 41.56 (41.15–41.96) 41.36 (40.56–42.16) 50.69 (50.02–51.36) 51.42 (50.60–52.23)
Private** 30.04 (29.62–30.47) 34.94 (34.09–38.50) 16.52 (15.96–17.08) 20.56 (19.82–21.32)
Army or other 3.20 (3.06–3.35) 3.62 (3.33–3.94) 2.93 (2.74–3.13) 3.22 (2.97–3.49)

*Chi2 test or t-test p value <0.05 at 95% confidence level when comparing categories of “above average” SRHS between year 2000 and 2013

**Chi2 test or t-test p value <0.001 at 95% confidence level when comparing categories of “above average” SRHS between year 2000 and 2013

***Currency exchange rates obtained from the International Monetary Fund web source (available in: http://www.imf.org/external/np/fin/data/param_rms_mth.aspx)