Table 3 Descriptive statistics of the variables
From: Dose birthweight matter to quality of life? A comparison between Japan, the U.S., and India
| Â | Japan | U.S. | India | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | Obs. | mean | median | IQR | Obs. | mean | median | IQR | Obs. | mean | median | IQR |
ACADEMIC | 4717 | 3.39 | 3.0 | 1.0 | 2772 | 3.69 | 4.0 | 2.0 | 926 | 3.06 | 3.0 | 2.0 |
EDUCATION | 4795 | 4.27 | 3.0 | 4.0 | 3680 | 5.02 | 5.0 | 2.0 | 1037 | 4.57 | 5.0 | 1.0 |
HEIGHT (m) | 4797 | 1.62 | 1.62 | 0.14 | 3283 | 1.70 | 1.70 | 0.15 | 1037 | 1.59 | 1.6 | 0.1 |
WEIGHT (kg) | 4716 | 59.9 | 59.0 | 15.0 | 3586 | 82.2 | 79.4 | 24.9 | 1036 | 58.5 | 58 | 15 |
BMI | 4714 | 22.6 | 22.3 | 3.98 | 3203 | 28.2 | 26.8 | 7.70 | 1036 | 23.1 | 22.8 | 5.4 |
INCOME | 2989 | 3.54 | 2.86 | 3.40 | 2774 | 4.16 | 2.88 | 3.41 | 484 | 11.8 | 9.6 | 8.4 |
HEALTH | 4802 | 3.35 | 3.0 | 1.0 | 3678 | 3.37 | 3.0 | 1.0 | 1037 | 3.46 | 3.0 | 1.0 |
HAPPINESS | 4738 | 6.39 | 7.0 | 3.0 | 3563 | 7.29 | 8.0 | 3.0 | 1037 | 7.39 | 8.0 | 1.0 |
AGE | 4850 | 52.25 | 53.0 | 21.0 | 3703 | 52.59 | 53.0 | 23.0 | 1037 | 45.72 | 45.0 | 23.0 |
F_EDUCATION | 4589 | 2.64 | 2.0 | 2.0 | 3624 | 3.58 | 3.0 | 3.0 | 1037 | 3.86 | 4.0 | 3.0 |
M_EDUCATION | 4586 | 2.26 | 2.0 | 2.0 | 3632 | 3.56 | 3.0 | 1.0 | 1037 | 3.24 | 3.0 | 3.0 |
F_AGE_BIRTH | 4234 | 31.3 | 31.0 | 6.0 | 3703 | 30.1 | 29.0 | 9.0 | – | – | – | – |
M_AGE_BIRTH | 4274 | 27.7 | 27.0 | 6.0 | 3703 | 27.0 | 26.0 | 9.0 | – | – | – | – |
S_LIVING | 4800 | 4.78 | 5.0 | 2.0 | 2777 | 4.47 | 5.0 | 3.0 | 1037 | 5.80 | 6.0 | 2.0 |
RELIGION | 4841 | 1.66 | 1.0 | 1.0 | 3610 | 2.95 | 3.0 | 2.0 | 1037 | 3.95 | 4.0 | 2.0 |
| Â | Freq. | ratio (%) | Cum. | Â | Freq. | ratio (%) | Cum. | Â | Freq. | ratio (%) | Cum. | |
Gender | MALE | 2591 | 46.6 | 46.6 | Â | 2257 | 45 | 55.4 | Â | 469 | 45.2 | 45.2 |
FEMALE | 2259 | 53.4 | 100 | Â | 2798 | 55.4 | 100 | Â | 568 | 54.8 | 100 | |
OLD age dummy | OLD | 2033 | 41.9 | 41.9 | Â | 3047 | 60.0 | 60.0 | Â | 407 | 39.3 | 39.3 |
NOT OLD | 2817 | 58.1 | 100 | Â | 2028 | 40.0 | 100 | Â | 630 | 60.8 | 100 | |
Martial status | MARRIAGE | 3881 | 80.2 | 80.2 | Â | 3010 | 60.0 | 60.0 | Â | 837 | 80.7 | 80.7 |
UNMARRIAGE | 957 | 19.8 | 100 | Â | 2006 | 40.0 | 100 | Â | 200 | 19.3 | 100 | |
Mother’s employment status | M_FULLTIME | 1861 | 39.3 | 39.3 |  | 1957 | 46.9 | 46.9 |  | 64 | 6.2 | 6.17 |
M_PARTTIME | 1171 | 24.7 | 64.1 | Â | 873 | 20.9 | 67.9 | Â | 31 | 3.0 | 9.16 | |
M_HOUSEWIFE | 1550 | 32.8 | 96.8 | Â | 1177 | 28.2 | 96.1 | Â | 930 | 89.7 | 98.8 | |
Otherwise | 151 | 3.19 | 100 | Â | 162 | 3.89 | 100 | Â | 12 | 1.2 | 100 | |
Siblings | ONLYCHILD | 256 | 5.45 | 5.45 | Â | 283 | 7.46 | 7.46 | Â | 60 | 5.79 | 5.79 |
| Â | Otherwise | 4442 | 94.55 | 100 | Â | 3512 | 92.54 | 100 | Â | 977 | 94 | 100 |