Table 2.
Gender gap in sleep time among men and women ages 35–60: 2004, 2009, 2014.
| 2004 | 2009 | 2014 | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Adjusted | Coef. | (Std. Err.) | Coef. | (Std. Err.) | Coef. | (Std. Err.) | |||
| Women | −15.56 | (1.10) | *** | −7.42 | (1.27) | *** | −8.89 | (1.12) | *** |
| Day of Week | |||||||||
| Saturday | 15.35 | (1.42) | *** | 27.50 | (1.63) | *** | 34.51 | (1.45) | *** |
| Sunday | 59.22 | (1.43) | *** | 63.65 | (1.63) | *** | 67.68 | (1.44) | *** |
| Age | −7.83 | (1.06) | *** | −15.55 | (1.22) | *** | −11.65 | (1.11) | *** |
| Age square | 0.08 | (0.01) | *** | 0.16 | (0.01) | *** | 0.11 | (0.01) | *** |
| Constant | 270.35 | (25.00) | *** | 93.00 | (28.00) | *** | 203.47 | (25.48) | *** |
| Number of obs. | 27596 | 18412 | 24670 | ||||||
| F | 395.72 | *** | 355.45 | *** | 525.44 | *** | |||
| R-squared | 0.07 | 0.09 | 0.10 | ||||||
Note: Reference group of categorical variables for gender and day of week is men and weekday. *** p < 0.001.