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Table 1 Descriptive statistics of the analytical samples for 2000 and 2006

From: Analysis of changes in the association of income and the utilization of curative health services in Mexico between 2000 and 2006

   ENSA- ENSANUT-
   2000 (n = 27,177)* 2006 (n = 22,658)*
Dependent variable
Type of health-care provider Ministry of Health 23% 18%
  social security 19% 17%
  private services 19% 25%
  no-health-care 39% 40%
Individual variables
Sex male 42% 46%
  female 58% 54%
Age (1)   26.97 [0.18] 32 [.21]
  1 to 4 years 19% 14%
  5 to 20 years 28% 26%
  21 to 59 years 43% 46%
  > 59 years 10% 15%
Employment (2) not employed 74% 70%
  employed 26% 30%
Social Security insurance (3) no cover 57% 64%
  cover 43% 36%
Private insurance no cover 99% 99%
  cover 1% 1%
Popular insurance (4) no cover 100% 88%
  cover   12%
Type of health problem (5) acute 64% 66%
  chronic 6% 14%
  injury 4% 4%
  other 26% 16%
Severity of health problem (6) one 3% 2%
  two 49% 45%
  three 31% 33%
  four 16% 17%
  five 2% 2%
Household variables
Indigenous language (7) no 93% 93%
  yes 7% 7%
Head of family sex male 78% 80%
  female 22% 20%
Family size   4.73 [.02] 4.82 [.02]
Years of education (8)   7.12 [0.04] 7.69 [0.04]
Household per person expenditure (9)   4067.904 [27.27] 4272.882 [34.22]
Community variables
Type of locality (10) rural 23% 26%
  urban 26% 29%
  metropolitan 51% 46%
Marginalization (11) high 25% 14%
  medium 16% 9%
  low 59% 77%
  1. The statistics were adjusted for the primary unit of analysis corresponding to each survey.
  2. []: Std. Err.
  3. *People reporting having had a health problem in the two weeks preceding the respective 2000 or 2006 survey
  4. (1) The continuous and categorical statistics are presented, since the variable was modelled with a spline method.
  5. (2) Not employed includes: unemployed, retired, students, keephouses, incapacitated and individuals who work in own informal businesses.
  6. (3) Employment-based health insurance (IMSS, ISSSTE etc)
  7. (4) Popular insurance was introduced until 2003
  8. (5) Categorical variable
  9. Acute includes: respiratory infections, Cough, Cold and Sore throat, Rheumatic fever, Ears infection, Conjunctivitis, Diarrhea, Urinary tract infections Intestinal parasitism, Headache, fever without other manifestation, Epidemic diseases (chickenpox, mea
  10. Chronic includes: Chronic obstructive pulmonary disease (chronic bronchitis or emphysema), Cancer and malignant tumors, Tuberculosis, Heart diseases, Asthma, Renal diseases, Gastritis and Gastric ulcer, Colitis, Obesity, HIV and AIDS, Arterial hypertensio
  11. Injury includes: Physical injuries caused by an accident and Physical injuries caused by aggression.
  12. Other: problems reported that were not specified in the questionnaire.
  13. (6) Self-reported severity, in the scale five is the most severe.
  14. (7) Where at least one of the member of the family talk indigenous language.
  15. (8) The year number one is taken when finished the first year of primary school.
  16. (9) At 2006 prices, adjusted with the National Consumer Price Index (CPI)
  17. (10) Type of localities: Rural.- localities with less than 2500 habitants, urban.- between 2500 to 99999 habitants, metropolitan.- more than 100,000 habitants or capital cities of each state. (ENSANUT 2006).
  18. (11) Municipal poverty level, composite measure that includes education levels, housing conditions, income and rurality, and the factors related to living in small villages (CONAPO Indice de Marginación 2000 and 2006)