The MTC project

The Mexican Teachers’ Cohort is a prospective study that began between 2006-2010 with the participation of 115,307 female teachers from 12 culturally and economically diverse states of Mexico.

The MTC study focuses its research on lifestyle factors associated with breast cancer, cardiometabolic diseases, and other behavior-related diseases. After 15 years, two consecutive evaluation cycles have been carried out on the participants (2011-14 and 2014-21), and the third follow-up cycle (2022-2024) is currently being lifted. In addition to follow-up evaluations, the MTC has a biobank of biological samples and clinical evaluations carried out in 7 cities in the participating states.

For more information about the MTC set up, please consult the Cohort Profile published in the International Journal of Epidemiology: MTC Cohort Profile.

Mapa de México

*Distribución de maestras por estado

Characteristics of the participants

Through self-response questionnaires, the MTC evaluates a wide variety of risk factors regarding reproductive history, disease incidence, physical activity, diet, mental health, medication use, and exposure to environmental contaminants.

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Baseline characteristics of women in the Mexican Teachers’ Cohort (n=115,307)

VariableGeneralB.C.ChiapasCDMXDurangoGuanajuatoHidalgoJaliscoEDOMEX.N.L.SonoraVeracruzYucatán
Participants (n)11530746201046117019450212367711811352776656655228265102699
Percentaje (%)100.04.09.114.83.910.76.29.96.74.94.523.02.3
Age (mean ± SD)43.0 ± 7.642.3 ± 7.940.4 ± 7.743.5 ± 7.442.0 ± 7.342.5 ± 7.443.5 ± 6.942.2 ± 8.646.3 ± 6.346.3 ± 6.740.6 ± 7.741.2 ± 7.945.2 ± 6.0
Speaks indigenous language8.02.013.33.21.21.021.81.07.20.48.112.738.3
Teaches at rural school24.69.344.62.422.936.038.017.325.28.111.435.710.4
Menopausal status

Premenopausal

70.872.274.273.175.574.468.370.059.861.478.070.866.0

Psot menopausal

17.615.712.517.313.414.417.71927.625.511.518.319.9

Unknown

11.512.013.39.611.111.214.011.012.713.110.610.914.2
Smoking

Non-smoker

77.775.185.469.282.180.082.275.774.876.283.378.678.6

Past smoker

12.914.29.515.811.011.110.513.914.211.39.61412.8

Current smoker

9.410.85.114.96.98.97.410.411.012.57.17.48.6
Body Mass Index, kg/m2

Normal (<25), %

34.133.033.734.834.134.532.539.127.833.634.434.328.3

Overweight (25 - 29.9), %

41.638.843.442.341.141.644.33845.838.239.241.742.1

Obesity (≥30), %

24.428.222.922.924.823.923.22326.428.226.423.929.6
Type 2 Diabetes 14.44.63.64.23.64.24.93.85.14.93.64.94.1
Hypertension 111.015.510.011.39.912.013.57.315.611.111.59.314.7
Breast cancer 26.07.83.45.34.24.24.510.05.77.24.27.25.9
VariableGeneralB.C.ChiapasCDMXDurangoGuanajuatoHidalgoJaliscoEDOMEX.N.L.SonoraVeracruzYucatán
Participants (n)11530746201046117019450212367711811352776656655228265102699
Percentaje (%)100.04.09.114.83.910.76.29.96.74.94.523.02.3
Age (mean ± SD)43.0 ± 7.642.3 ± 7.940.4 ± 7.743.5 ± 7.442.0 ± 7.342.5 ± 7.443.5 ± 6.942.2 ± 8.646.3 ± 6.346.3 ± 6.740.6 ± 7.741.2 ± 7.945.2 ± 6.0
Speaks indigenous language8.02.013.33.21.21.021.81.07.20.48.112.738.3
Teaches at rural school24.69.344.62.422.936.038.017.325.28.111.435.710.4
Menopausal status

Premenopausal

70.872.274.273.175.574.468.370.059.861.478.070.866.0

Psot menopausal

17.615.712.517.313.414.417.71927.625.511.518.319.9

Unknown

11.512.013.39.611.111.214.011.012.713.110.610.914.2
Smoking

Non-smoker

77.775.185.469.282.180.082.275.774.876.283.378.678.6

Past smoker

12.914.29.515.811.011.110.513.914.211.39.61412.8

Current smoker

9.410.85.114.96.98.97.410.411.012.57.17.48.6
Body Mass Index, kg/m2

Normal (<25), %

34.133.033.734.834.134.532.539.127.833.634.434.328.3

Overweight (25 - 29.9), %

41.638.843.442.341.141.644.33845.838.239.241.742.1

Obesity (≥30), %

24.428.222.922.924.823.923.22326.428.226.423.929.6
Type 2 Diabetes 14.44.63.64.23.64.24.93.85.14.93.64.94.1
Hypertension 111.015.510.011.39.912.013.57.315.611.111.59.314.7
Breast cancer 26.07.83.45.34.24.24.510.05.77.24.27.25.9

Values are percentages unless otherwise indicated.

  1. Self-report of diagnosis and treatment
  2. Prevalent cases per 1000 participants
Research with MTC

At the MTC, we promote quality academic research and the search for collaboration for scientific advancement. To consult the availability of data, the results of the study, and how to present a research proposal, consult the following sections:

icn-data

Available data

icn-test

Propose an analysis

icn-resultados

Results of the study

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