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Table 1 Mean proportions (standard errors) of the covariates used in the analysis

From: Time trends in socio-economic inequalities in the lack of access to dental services among children in Spain 1987-2011

  1987 1993 1995-97* 2001 2003 2006 2011
Girl 48.2% (0.5) 48.9% (0.5) 48.6% (0.5) 48.0% (0.5) 48.4% (0.5) 49.7% (0.5) 47.2% (0.5)
Age 6–8 32.7% (0.5) 29.9% (0.5) 28.2% (0.5) 31.1% (0.5) 27.0% (0.4) 29.5% (0.4) 31.5% (0.5)
Age 9–11 33.3% (0.5) 34.3% (0.5) 34.4% (0.5) 32.3% (0.5) 32.0% (0.5) 32.4% (0.5) 32.7% (0.5)
Age 12–14 34.0% (0.5) 35.8% (0.5) 37.4% (0.5) 36.6% (.48) 41.0% (.49) 38.2% (0.5) 35.9% (0.5)
Social class        
Upper non-manual 3.6% (0.2) 13.5% (0.4) 16.6% (0.4) 8.6% (0.3) 9.3% (0.3) 10.8% (0.3) 12.0% (0.3)
Lower non-manual 31.5% (0.5) 34.5% (0.5) 31.3% (0.5) 36.7% (0.5) 35.1% (0.5) 36.0% (0.5) 27.8% (0.5)
Skilled manual 38.6% (0.5) 33.5% (0.5) 35.4% (0.5) 45.4% (0.5) 44.7% (0.5) 41.3% (0.5) 46.5% (0.5)
Unskilled manual 26.3% (0.4) 18.5% (0.4) 16.6% (0.4) 9.3% (0.3) 10.9% (0.3) 11.9% (0.3) 13.6% (0.3)
Dental care programme        
PADI - 3.9% (0.2) 2.6% (0.2) 10.7% (0.1) 12.4% (0.3) 26.4% (0.4) 38.4% (0.5)
Rate of dentists        
per 100,000 inhabitants 17.6 32.34 37.13 44.19 44.58 49.52 60.23
(standard deviations) (4.1) (7.7) (8.9) (11.1) (10.7) (10.6) (14.9)
N° observations 6046 3162 2453 2861 3718 4845 3079
(missing values) (230) (108) (175) (364) (132) (285) (181)
  1. Source: Spanish National Health Surveys 1987–2011.
  2. *Note: Due to their relatively small sample sizes, data from the 1995 and 1997 surveys were analysed jointly.