Table 5.

Daily intake (mL/day) of tap water and bottled water according to household income in the Indonesian population

Household income [rupiah (Rp)]	Mean	± SEM	Percentiles
			P5	P10	P25	P50	P75	P90	P95
	Bottled water
< 750,001–900,000	648	± 51	0	0	0	34d,e,f	1162	2188	2880
900,001–1,250,000	711	± 38	0	0	0	57d,e,f	1254	2366	2890
1,250,001–1,750,000	770	± 49	0	0	0	63e,f	1299	2514	3416
1,750,001–2,500,000	986	± 43	0	0	0	264a,b,e,f	1822	2841	3410
2,500,001–4,000,000	1595	± 47	0	0	210	1544a,b,c,d	2503	3497	4030
4,000,001–> 7,000,000	1846	± 72	0	0	824	1832a,b,c,d	2706	3685	4434
	Tap water
< 750,001–900,000	1259	± 60	0	0	0	1139e,f	1884	2818	3497
900,001–1,250,000	1239	± 43	0	0	0	1175e,f	2023	2835	3362
1,250,001–1,750,000	1285	± 51	0	0	0	1200e,f	2160	2913	3381
1,750,001–2,500,000	1092	± 45	0	0	0	807e,f	1870	2816	3586
2,500,001–4,000,000	616	± 38	0	0	0	0a,b,c,d	1097	2298	3028
4,000,001–> 7,000,000	440	± 50	0	0	0	0a,b,c,d	14	2044	2686

Wilcoxon signed-rank test (p < 0.0001) was used to compare medians of tap water or bottled water between household income

^aSignificantly different from < 750,001 to 900,000

^bSignificantly different from 900,001 to 1,250,000

^cSignificantly different from 1,250,001 to 1,750,000

^dSignificantly different from 1,750,001 to 2,500,000

^eSignificantly different from 2,500,001 to 4,000,000

^fSignificantly different from 4,000,001 to > 7,000,000