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. 2021 Sep 15;149:105687. doi: 10.1016/j.worlddev.2021.105687

Table 4.

Conditional hours spent studying, working outside the household and working inside the household (Difference-in-Difference).

(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
Total
Girls
Boys
Communities ≥ 100,000 inhabitants
Communities < 100,000 inhabitants
12–14 y.o. 15–18 y.o. 12–14 y.o. 15–18 y.o. 12–14 y.o. 15–18 y.o. 12–14 y.o. 15–18 y.o.
A. Study
September x PYEAR −11.0*** −10.7*** −10.6*** −11.3*** −11.0*** −11.6*** −11.2*** −10.5*** −10.4***
(0.42) (0.51) (0.60) (0.54) (0.60) (0.70) (0.85) (0.56) (0.70)
Mean pre-pandemic 37.9 37.4 38.8 37.1 38.2 37.8 39.0 36.7 38.1
(8.17) (7.01) (9.27) (6.92) (9.09) (7.22) (9.53) (6.73) (8.84)
Observations 123602 30334 31407 31210 30651 33742 37152 27802 24906
Clusters 273 258 250 259 252 73 73 267 264



B. Work outside the household
September x PYEAR −0.26 6.81 −0.43 2.36 −0.51 −6.59* 2.90** 6.65*** −2.36**
(0.95) (4.28) (1.52) (2.38) (1.06) (3.50) (1.36) (2.42) (1.18)
Mean pre-pandemic 34.6 21.5 33.9 24.0 37.4 23.7 37.2 23.3 35.9
(17.94) (14.85) (17.71) (17.11) (17.32) (17.21) (17.49) (16.39) (17.50)
Observations 21872 762 5983 1985 13142 898 9281 1849 9844
Clusters 256 141 212 192 244 63 72 196 252



C. Work inside the household
September x PYEAR 1.10*** 0.31 2.26*** 0.63*** 0.41* 0.61** 1.66*** 0.45 1.40***
(0.19) (0.28) (0.47) (0.20) (0.22) (0.24) (0.39) (0.31) (0.41)
Mean pre-pandemic 8.7 7.7 13.4 5.4 6.2 6.0 8.8 7.1 11.2
(9.30) (6.37) (13.12) (4.50) (5.41) (5.29) (9.67) (5.91) (11.86)



Observations 133384 29059 42375 26395 35555 29826 44225 25628 33705



Clusters 273 259 263 258 263 73 73 267 268

Note: Standard errors in parentheses. Estimations include Fixed Effects by state.

Mean pre-pandemic is calculated as the average for 2018 & 2019.

September is a dummy variable that takes the value of 1 for observations in September (the beginning of a school year) and 0 for Jan-March, and PYEAR is a dummy variable that takes the value of 1 for observations in 2020 (the year of the pandemic) and 0 for 2018 and 2019.

Source: own calculations based on INEGI (2021) and Conapo (2021).

*

p < 0.10.

**

p < 0.05.

***

p < 0.01.