Table 2.

Temporal trends in maternal age, parity, operative vaginal delivery and cesarean delivery, Kaniyambadi (KB) and Nova Scotia (NS), 1986 to 2005.

Period	Age < 20 years (%)		Age ≥ 35 years (%)		Nulliparous (%)		Parity ≥ 5 (%)		Operative vaginal delivery rate (%)		Cesarean rate (%)
	KB	NS	KB	NS	KB	NS	KB	NS	KB	NS	KB	NS
1986–87	25.1	7.6	1.9	6.3	39.4	43.9	2.4	0.6	3.4	13.4	3.1	20.2
1988–89	24.3	8.4	1.9	6.5	40.0	43.7	2.3	0.6	3.4	12.5	3.1	19.9
1990–91	21.9	8.7	1.5	7.6	37.8	44.5	1.5	0.6	5.0	11.0	3.9	18.8
1992–93	18.6	8.5	1.2	8.6	38.7	44.0	1.3	0.7	6.6	10.5	5.7	19.3
1994–95	18.4	8.5	1.1	9.4	40.4	44.3	0.9	0.6	4.8	10.6	6.1	19.4
1996–97	17.3	8.0	1.1	10.8	42.4	44.4	0.7	0.6	4.2	10.1	5.7	19.9
1998–99	16.9	7.6	1.2	12.3	44.6	44.5	0.6	0.8	3.5	10.6	6.5	20.4
2000–01	15.3	6.1	1.1	13.6	44.3	44.2	0.5	0.7	3.5	9.9	7.8	23.9
2002–03	14.5	5.7	0.7	14.8	44.2	45.2	0.3	0.6	4.0	10.7	8.2	27.7
2004–05	14.3	5.0	1.0	14.9	47.3	45.7	0.4	0.6	4.1	9.7	10.9	28.4
Total	18.8	7.6	1.3	10.1	41.8	44.4	1.1	0.6	4.2	10.9	6.0	21.4