Table 3. Proportion of women by category of adequacy of access to prenatal care (did not/inadequate versus adequate/more than adequate,^a and temporal trend, total and according to sociodemographic variables, Baixada Litorânea, state of Rio de Janeiro, Brazil, 2014-2020.

Classification/variables	2014	2020	Annual percetage change (95%CIa)	Trend
Total of pregnant women
Did not/inadequate	22.4	17.1	2000-2020: -4.3 (-5.9;-2.7)	Decrease
Adequate/more than adequate	55.4	62.2	2000-2020: 2.6 (1.2;4.0)	Increase
Age (in years)
10-19
Did not/inadequate	30.6	25.1	2000-2020: -3.1 (-4.8;-0.1)	Decrease
Adequate/more than adequate	44.0	52.6	2000-2020: 3.7 (2.0;5.3)	Increase
20-34
Did not/inadequate	21.2	16.8	2000-2020: -4.1 (-5.9;-2.2)	Decrease
Adequate/more than adequate	57.4	63.4	2000-2020: 2.2 (1.0;3.5)	Increase
≥ 35
Did not/inadequate	15.8	14.3	2000-2020: -3.1 (-6.0;0.0)	Stability
Adequate/more than adequate	62.3	65.6	2000-2020: 1.9 (-0.3;4.2)	Stability
Schooling (in years of study)
≤ 7
Did not/inadequate	32.3	30.4	2000-2020: -0.3 (-3.5;3.1)	Stability
Adequate/more than adequate	41.1	47.2	2000-2020: 2.8 (0.4;5.3)	Increase
8-11
Did not/inadequate	21.0	16.4	2000-2020: -4.1 (-5.9;-2.2)	Decrease
Adequate/more than adequate	56.4	62.8	2000-2020: 2.2 (0.8;3.7)	Increase
≥ 12
Did not/inadequate	11.6	8.8	2014-2018: -9.5 (-17.0;-1.4)	Decrease
			2018-2020: 5.2 (-21.1;40.2)	Stability
Adequate/more than adequate	72.7	75.0	2000-2020: 0.6 (-0.1;1.3)	Stability
Race/skin color
White
Did not have prenatal care visits/inadequate	18.9	12.3	2000-2020: -6.1 (-9.8;-3.1)	Decrease
Adequate/more than adequate	61.3	67.6	2000-2020: 1.9 (0.3;3.5)	Increase
Black
Did not have prenatal care visits/inadequate	28.2	19.2	2000-2020: -5.6 (-8.7;-2.5)	Decrease
Adequate/more than adequate	47.6	61.1	2000-2020: 4.1 (3.1;5.2)	Increase
Mixed race
Did not have prenatal care visits/inadequate	25.2	19.8	2000-2020: -4.1 (-5.4;-2.8)	Decrease
Adequate/more than adequate	49.6	60.3	2000-2020: 3.8 (2.0;5.5)	Increase

a) The intermediate category was not included.