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Table 1 Biological, socioeconomic, and environmental characteristics, and access to health care services in case and control parishes in Ecuador[n (%) or mean ± SD]

From: Role of health determinants in a measles outbreak in Ecuador: a case-control study with aggregated data

Characteristics

Case-Parishes

Control- Parishes

P value

Biological

 Children under 1 year of age (% parish population)

   < 3

45 (86.5)

918 (94.4)

0.019

   ≥ 3

7 (13.5)

54 (5.6)

 

Socioeconomic

 Educational attainment of head of household (years)

   ≥ 8

28 (53.8)

166 (17.1)

 

   < 8

24 (46.2)

806 (82.9)

<  0.001

 Quartiles of the number of internal migrants

   < 81

7 (13.5)

250 (25.7)

0.001

  81–198

8 (15.4)

247 (25.4)

 

  199–587

12 (23.1)

245 (25.2)

 

   ≥ 588

25 (48.0)

230 (23.7)

 

 Percent indigenous population

   < 1.4

11 (21.2)

501 (51.5)

<  0.001

   ≥ 1.4

41 (78.8)

471 (48.5)

 

Environmental

 Parish setting

  Rural

29 (55.8)

774 (79.6)

<  0.001

  Urban

23 (44.2)

198 (20.4)

 

 Crowding (%)

   < 14

26 (50.0)

250 (25.7)

0.002

  14–20

8 (15.4)

261 (26.9)

 

  21–26

7 (13.5)

219 (22.5)

 

   ≥ 27

11 (21.1)

242 (24.9)

 

Access to health care services

 Rate of prior measles immunization

79.90 ± 18.20

88.06 ± 12.06

0.02

 Rate of pregnant women attending antenatal care visita

83.90 ± 27.73

94.38 ± 41.14

<  0.001

  1. aPercentage of pregnant women attending at least one pre-natal care visit were calculated using as the denominator the number of life births in the parish
  2. Quantitative variables are shown categorized. Median was used to categorize: Children under 1 year of age, Educational attainment of head of household and Percent indigenous population. Quartiles were used for: Number of internal migrants and Crowding