Table 1. Characteristics of the participants.

	Overall	Jakarta	Tasik	Bali
Number	n=22 040	n=7480	n=8007	n=6553
Characteristic	Numbers (%)
Age
<19	151 (0.7)	47 (0.6)	44 (0.5)	60 (0.9)
20–29	4652 (21.1)	1545 (20.7)	1535 (19.2)	1572 (24.0)
30–39	8169 (37.1)	2642 (35.3)	3133 (39.1)	2394 (36.5)
40–49	6006 (27.3)	2151 (28.8)	2346 (29.3)	1509 (23.0)
50–59	2607 (11.8)	968 (12.9)	808 (10.1)	831 (12.7)
>60	351 (1.6)	125 (1.7)	136 (1.7)	90 (1.4)
Missing	104 (0.5)	2 (0.0)	5 (0.1)	97 (1.5)
Ever screened before
No	20449 (92.8)	6359 (85.0)	7868 (98.3)	6222 (94.9)
Yes	1490 (6.8)	1101 (14.7)	124 (1.5)	265 (4.0)
Missing	101 (0.4)	20 (0.3)	15 (0.2)	66 (1.0)
Education
Illiterate	2096 (9.5)	317 (4.2)	13 (0.2)	1766 (26.9)
Primary school	9293 (42.2)	2773 (37.1)	3771 (47.1)	2749 (42.0)
High school	8709 (39.5)	3747 (50.1)	3183 (39.8)	1779 (27.1)
>High school	1907 (8.7)	635 (8.5)	1036 (12.9)	236 (3.6)
Missing	35 (0.1)	8 (0.1)	4 (0.0)	23 (0.4)
Income per day
<1 US $ per day	7367 (33.4)	1016 (13.6)	3504 (43.8)	2847 (43.4)
1–3 US $ per day	7972 (36.2)	3557 (47.6)	1981 (24.7)	2434 (37.1)
>3 US $ per day	6092 (27.6)	2667 (35.7)	2306 (28.8)	1119 (17.1)
Missing	609 (2.8)	240 (3.2)	216 (2.7)	153 (2.3)
Marital status
Not married yet	15 (0.1)	0 (0.0)	5 (0.1)	10 (0.2)
Married	21313 (96.7)	7090 (94.8)	7704 (96.2)	6519 (99.5)
Separated	134 (0.6)	67 (0.9)	67 (0.8)	0 (0.0)
Widowed	545 (2.5)	315 (4.2)	225 (2.8)	5 (0.1)
Missing	33 (0.1)	8 (0.1)	6 (0.1)	19 (0.2)
Number of children
0	880 (4.0)	360 (4.8)	318 (4.0)	202 (3.1)
1/2	9513 (43.2)	2766 (37.0)	3139 (39.2)	3608 (55.1)
3/4	7606 (34.5)	2555 (34.2)	3028 (37.8)	2023 (30.9)
5/6	2754 (12.5)	1143 (15.3)	1095 (13.7)	516 (7.9)
>7	1211 (5.5)	649 (8.7)	394 (4.9)	168 (2.6)
Missing	76 (0.3)	7 (0.1)	33 (0.4)	36 (0.5)
Mean (s.d.)
Menarche	13.9 (1.5)	13.7 (1.7)	14.1 (1.5)	13.9 (1.3)
Age at marriage	19.9 (3.7)	20.0 (4.1)	19.4 (3.6)	20.7 (3.2)
Age at first child	21.1 (4.1)	21.2 (4.5)	21.1 (3.8)	20.9 (4.0)
Sexual partners	1.1 (0.4)	1.2 (0.5)	1.2 (0.5)	1.0 (0.2)