Table 3.

Change in salivary pH after consumption of beverages compared to baseline pH

Time interval	Mineral water ( B1)				Chocolate drink (B2)				Sirap bandung (B3)
	pH valuesa	Mean diff. (95% CI)	t-statistic (df)	P-valueb	pH valuesa	Mean diff. (95% CI)	t-statistic (df)	P-valueb	pH valuesa	Mean diff. (95% CI)	t-statistic (df)	P- valueb
Baseline	7.07 (0.16)				7.09 (0.26)				7.13 (0.15)
5 min	7.11 (0.16)	−0.04 (−0.11, 0.04)	0.95 (15)	0.353	6.69 (0.40)	0.4 (0.2, 0.5)	4.9 (15)	< 0.001	6.94 (0.16)	0.2 (0.1, 0.2)	7.2 (16)	< 0.001
10 min	7.10 (0.18)	−0.03 (−0.1, 0.04)	0.8 (15)	0.388	6.73 (0.27)	0.4 (0.2, 0.5)	6.4 (15)	< 0.001	6.86 (0.18)	0.3 (0.2, 0.4)	6.9 (16)	< 0.001
15 min	7.14 (0.21)	−0.07 (−0.15, 0.02)	1.7 (15)	0.108	6.80 (0.21)	0.3 (0.2, 0.4)	4.9 (15)	< 0.001	6.88 (0.18)	0.2 (0.2, 0.3)	5.6 (16)	< 0.001
20 min	7.13 (0.18)	−0.06 (−0.2, 0.02)	1.5 (15)	0.163	6.91 (0.24)	0.2 (0.1, 0.3)	3.2 (15)	0.005	6.98 (0.21)	0.1 (0.1, 0.2)	3.6 (16)	0.003
30 min	7.08 (0.16)	−0.01 (−0.1, 0.1)	0.2 (15)	0.845	7.01 (0.21)	0.1 ( 0.01, 0.1)	1.9 (15)	0.074	7.07 (0.19)	0.1 (−0.03, 0.2)	1.4 (16)	0.172

^amean (SD)

^bPaired t-test