Table 6.
Daily intake (mL/day) of total fluid intake, tap water and bottled water according to education level in the Indonesian population
| Education level | Mean | ±SEM | Percentiles | ||||||
|---|---|---|---|---|---|---|---|---|---|
| P5 | P10 | P25 | P50 | P75 | P90 | P95 | |||
| Bottled water | |||||||||
| Primary school (n = 531) | 769 | ± 49 | 0 | 0 | 0 | 71c,d,e | 1371 | 2393 | 3110 |
| Junior high school (n = 783) | 868 | ± 41 | 0 | 0 | 0 | 103c,d,e | 1646 | 2640 | 3262 |
| Senior high school (n = 1961) | 1187 | ± 29 | 0 | 0 | 0 | 793a,b | 2107 | 3094 | 3762 |
| Diploma/junior college (n = 132) | 1479 | ± 119 | 0 | 0 | 59 | 1296a,b | 2434 | 3645 | 4288 |
| College/university (n = 237) | 1348 | ± 89 | 0 | 0 | 0 | 1076a,b | 2170 | 3320 | 3893 |
| Tap water | |||||||||
| Primary school (n = 531) | 1290 | ± 55 | 0 | 0 | 0 | 1157c,d,e | 2065 | 2997 | 3723 |
| Junior high school (n = 783) | 1137 | ± 43 | 0 | 0 | 0 | 982c,d | 1929 | 2822 | 3557 |
| Senior high school (n = 1961) | 910 | ± 26 | 0 | 0 | 0 | 43a,b | 1696 | 2620 | 3153 |
| Diploma/junior college (n = 132) | 653 | ± 90 | 0 | 0 | 0 | 0a,b | 1331 | 2331 | 2755 |
| College/university (n = 237) | 859 | ± 78 | 0 | 0 | 0 | 0a | 1549 | 2833 | 3306 |
Wilcoxon signed-rank test (p < 0.0001) was used to compare median of total fluid intake, bottled water or tap water between education level
aSignificantly different from primary school
bSignificantly different from junior high school
cSignificantly different from senior high school
dSignificantly different from diploma/junior college
eSignificantly different from college/university