Variable IR IC95% p* Hometown           Chiapas 1.11 0.65 - 1.92   Acapulco 0.88 0.54 - 1.41   Merida 0.68 0.25 - 1.81 0.64 Sex           Femenine 0.51 0.26 - 0.98   Masculin 1.30 0.87 - 1.92 0.02** Marital status           Married 0.96 0.63 - 1.45   Other 0.86 0.49 - 1.51 0.77 Schooling           Universityor more 0.51 0.19 - 1.36   High school 0.94 0.49 - 1.80   Junior high 1.42 0.74 - 2.72   Primaryorless 0.91 0.52 - 1.61 0.37 Socioeconomic status           High 1.57 0.59 - 4.19   Middle 0.79 0.47 - 1.34   Low 0.95 0.58 - 1.55 0.45 Obesity           Normal 0.96 0.65 - 1.43   Overwwight 0.77 0.37 - 1.62   Obesity 1.01 0.25 - 4.04 0.87 Smoking           Negative 0.78 0.49 - 1.23   Positive 1.16 0.71 - 1.89 0.27 Comorbilities           No one 0.68 0.43 - 1.11   Diabetes mellitus 1.24 0.64 - 2.38   Desnutrition 1.07 0.15 - 7.58   Cirrhosis 0.42 0.06 - 3.00   HIV/AIDS 7.73 2.49 - 24.0   Others 1.31 0.73 - 7.07 0.001**

IR: incidence rate.

*p-value of the log-rank test for equality of survival function.

**statistically significant differences.

Table 1: Incidence of non-adherence to DOTS for each of the sociodemographic characteristics studied with confidence interval of 95%.