Table 2.

Birth weight and ANC during the last pregnancy by Indigenous status

IndigenousNon-indigenousP value corrected by survey design effect
N6084778
Weighted sample687 7196 958 192
%9.091.0
Median [IQR] or % [95% CI]
Birth weight (median and interquartile rank [IQR])3.05 [2.70;3.50]3.20 [2.82;3.05]0.00
    Very low birth weight (<1.5 kg.) (%)0.42 [0.10;1.82]0.75 [0.41;1.37]0.39
    Moderate birth weight (1.5–<2.5 kg.) (%)13.1 [8.79;19.0]7.19 [6.07;8.48]0.03
    Normal birth weight (2.5–4.0 kg.) (%)82.7 [76.8;87.4]87.2 [85.7;88.6]0.10
    Over birth weight (>4.0 kg.) (%)3.79 [2.08;6.81]4.84 [4.04;5.78]0.38
Access to ANC (%)95.8 [93.0;98.5]99.0 [98.7;99.3]0.02
Frequent (At least four consultations) (A) (%)84.7 [80.2;89.1]92.3 [91.0;93.5]0.00
Timely (first ANC visit during the first quarter (B) (%)77.1 [72.1;82.1]83.8 [82.2;85.4]0.01
Content of ANC consultation (C) (%)
    ≥50% a92.6 [89.4;95.8]95.9 [94.9;96.8]0.05
    ≥75% a74·2 [69.0;79.4]81·2 [79.1;83.2]0.01
        Measure94.2 [91.3;97.1]93.8 [92.6;94.9]0.79
        Weighed97.0 [95.1;98.8]97.4 [96.6;98.2]0.68
        Blood pressure97.9 [96.4;99.3]97.4 [96.4;98.3]0.58
        Urinalysis86.2 [82.6;89.8]89.0 [87.4;90.7]0.18
        Blood examination83.5 [79.7;87.4]88.4 [86.8;90.0]0.03
        Blood sugar examination69.6 [64.6;74.7]72.2 [70.0;74.4]0.36
        Syphilis detection (VDRL)37.9 [31.7;44.0]43.1 [40.8;45.5]0.13
        Ultrasound85.6 [82.1;89.0]94.2 [93.1;95.3]0.00
        Tetanus vaccine95.3 [93.0;97.6]90.0 [88.5;91.6]0.00
        Folic acid96.8 [95.1;98.5]97.8 [97.1;98.5]0.30
        Vitamins/iron/food supplement88.1 [83.0;93.2]93.0 [91.6;94.3]0.07
(A)+(B)+[(C) ≥ 50%] (%)71.7 [66.2;77.1]79.0 [77.1;80.9]0.01
Adequate ANC: (A)+(B)+[(C) ≥ 75%] (%)59.0 [53.0;65.0]68.1 [65.9;70.3]0.00
Diagnosis of some health problem during pregnancy b (%) 47.1 [40.0;54.1]60.9 [58.8;63.1]0.00
Any complication during childbirth c (%) 16.7 [12.5;20.9]20.4 [18.5;22.3]0.14
Vaginal delivery (%)66.1 [60.0;72.1]52.2 [50.1;54.3]0.00
Urgent cesarean (%)21.6 [16.6;26.6]25.9 [23.9;27.9]0.15
Planned cesarean (%)12.4 [8.34;16.4]21.9 [20.0;23.9]0.00
IndigenousNon-indigenousP value corrected by survey design effect
N6084778
Weighted sample687 7196 958 192
%9.091.0
Median [IQR] or % [95% CI]
Birth weight (median and interquartile rank [IQR])3.05 [2.70;3.50]3.20 [2.82;3.05]0.00
    Very low birth weight (<1.5 kg.) (%)0.42 [0.10;1.82]0.75 [0.41;1.37]0.39
    Moderate birth weight (1.5–<2.5 kg.) (%)13.1 [8.79;19.0]7.19 [6.07;8.48]0.03
    Normal birth weight (2.5–4.0 kg.) (%)82.7 [76.8;87.4]87.2 [85.7;88.6]0.10
    Over birth weight (>4.0 kg.) (%)3.79 [2.08;6.81]4.84 [4.04;5.78]0.38
Access to ANC (%)95.8 [93.0;98.5]99.0 [98.7;99.3]0.02
Frequent (At least four consultations) (A) (%)84.7 [80.2;89.1]92.3 [91.0;93.5]0.00
Timely (first ANC visit during the first quarter (B) (%)77.1 [72.1;82.1]83.8 [82.2;85.4]0.01
Content of ANC consultation (C) (%)
    ≥50% a92.6 [89.4;95.8]95.9 [94.9;96.8]0.05
    ≥75% a74·2 [69.0;79.4]81·2 [79.1;83.2]0.01
        Measure94.2 [91.3;97.1]93.8 [92.6;94.9]0.79
        Weighed97.0 [95.1;98.8]97.4 [96.6;98.2]0.68
        Blood pressure97.9 [96.4;99.3]97.4 [96.4;98.3]0.58
        Urinalysis86.2 [82.6;89.8]89.0 [87.4;90.7]0.18
        Blood examination83.5 [79.7;87.4]88.4 [86.8;90.0]0.03
        Blood sugar examination69.6 [64.6;74.7]72.2 [70.0;74.4]0.36
        Syphilis detection (VDRL)37.9 [31.7;44.0]43.1 [40.8;45.5]0.13
        Ultrasound85.6 [82.1;89.0]94.2 [93.1;95.3]0.00
        Tetanus vaccine95.3 [93.0;97.6]90.0 [88.5;91.6]0.00
        Folic acid96.8 [95.1;98.5]97.8 [97.1;98.5]0.30
        Vitamins/iron/food supplement88.1 [83.0;93.2]93.0 [91.6;94.3]0.07
(A)+(B)+[(C) ≥ 50%] (%)71.7 [66.2;77.1]79.0 [77.1;80.9]0.01
Adequate ANC: (A)+(B)+[(C) ≥ 75%] (%)59.0 [53.0;65.0]68.1 [65.9;70.3]0.00
Diagnosis of some health problem during pregnancy b (%) 47.1 [40.0;54.1]60.9 [58.8;63.1]0.00
Any complication during childbirth c (%) 16.7 [12.5;20.9]20.4 [18.5;22.3]0.14
Vaginal delivery (%)66.1 [60.0;72.1]52.2 [50.1;54.3]0.00
Urgent cesarean (%)21.6 [16.6;26.6]25.9 [23.9;27.9]0.15
Planned cesarean (%)12.4 [8.34;16.4]21.9 [20.0;23.9]0.00

Note: P values refers to the test of equality or similar medians or percentages, and values lower than 0.05 signifies that distributions are statistically different. IQR, interquartile rank. Estimations performed considering the effect of the survey design.

a Refers to the percentage of medical procedures received.

b Include High blood pressure, vaginal bleeding, threat of miscarriage, preeclampsia or eclampsia, gestational diabetes, or infections.

c Include preeclampsia or eclampsia, haemorrhage, miscarriage, threat of miscarriage, obstructed delivery, wrong position of the fetus, premature childbirth or some complication due to a previous disease.

Table 2.

Birth weight and ANC during the last pregnancy by Indigenous status

IndigenousNon-indigenousP value corrected by survey design effect
N6084778
Weighted sample687 7196 958 192
%9.091.0
Median [IQR] or % [95% CI]
Birth weight (median and interquartile rank [IQR])3.05 [2.70;3.50]3.20 [2.82;3.05]0.00
    Very low birth weight (<1.5 kg.) (%)0.42 [0.10;1.82]0.75 [0.41;1.37]0.39
    Moderate birth weight (1.5–<2.5 kg.) (%)13.1 [8.79;19.0]7.19 [6.07;8.48]0.03
    Normal birth weight (2.5–4.0 kg.) (%)82.7 [76.8;87.4]87.2 [85.7;88.6]0.10
    Over birth weight (>4.0 kg.) (%)3.79 [2.08;6.81]4.84 [4.04;5.78]0.38
Access to ANC (%)95.8 [93.0;98.5]99.0 [98.7;99.3]0.02
Frequent (At least four consultations) (A) (%)84.7 [80.2;89.1]92.3 [91.0;93.5]0.00
Timely (first ANC visit during the first quarter (B) (%)77.1 [72.1;82.1]83.8 [82.2;85.4]0.01
Content of ANC consultation (C) (%)
    ≥50% a92.6 [89.4;95.8]95.9 [94.9;96.8]0.05
    ≥75% a74·2 [69.0;79.4]81·2 [79.1;83.2]0.01
        Measure94.2 [91.3;97.1]93.8 [92.6;94.9]0.79
        Weighed97.0 [95.1;98.8]97.4 [96.6;98.2]0.68
        Blood pressure97.9 [96.4;99.3]97.4 [96.4;98.3]0.58
        Urinalysis86.2 [82.6;89.8]89.0 [87.4;90.7]0.18
        Blood examination83.5 [79.7;87.4]88.4 [86.8;90.0]0.03
        Blood sugar examination69.6 [64.6;74.7]72.2 [70.0;74.4]0.36
        Syphilis detection (VDRL)37.9 [31.7;44.0]43.1 [40.8;45.5]0.13
        Ultrasound85.6 [82.1;89.0]94.2 [93.1;95.3]0.00
        Tetanus vaccine95.3 [93.0;97.6]90.0 [88.5;91.6]0.00
        Folic acid96.8 [95.1;98.5]97.8 [97.1;98.5]0.30
        Vitamins/iron/food supplement88.1 [83.0;93.2]93.0 [91.6;94.3]0.07
(A)+(B)+[(C) ≥ 50%] (%)71.7 [66.2;77.1]79.0 [77.1;80.9]0.01
Adequate ANC: (A)+(B)+[(C) ≥ 75%] (%)59.0 [53.0;65.0]68.1 [65.9;70.3]0.00
Diagnosis of some health problem during pregnancy b (%) 47.1 [40.0;54.1]60.9 [58.8;63.1]0.00
Any complication during childbirth c (%) 16.7 [12.5;20.9]20.4 [18.5;22.3]0.14
Vaginal delivery (%)66.1 [60.0;72.1]52.2 [50.1;54.3]0.00
Urgent cesarean (%)21.6 [16.6;26.6]25.9 [23.9;27.9]0.15
Planned cesarean (%)12.4 [8.34;16.4]21.9 [20.0;23.9]0.00
IndigenousNon-indigenousP value corrected by survey design effect
N6084778
Weighted sample687 7196 958 192
%9.091.0
Median [IQR] or % [95% CI]
Birth weight (median and interquartile rank [IQR])3.05 [2.70;3.50]3.20 [2.82;3.05]0.00
    Very low birth weight (<1.5 kg.) (%)0.42 [0.10;1.82]0.75 [0.41;1.37]0.39
    Moderate birth weight (1.5–<2.5 kg.) (%)13.1 [8.79;19.0]7.19 [6.07;8.48]0.03
    Normal birth weight (2.5–4.0 kg.) (%)82.7 [76.8;87.4]87.2 [85.7;88.6]0.10
    Over birth weight (>4.0 kg.) (%)3.79 [2.08;6.81]4.84 [4.04;5.78]0.38
Access to ANC (%)95.8 [93.0;98.5]99.0 [98.7;99.3]0.02
Frequent (At least four consultations) (A) (%)84.7 [80.2;89.1]92.3 [91.0;93.5]0.00
Timely (first ANC visit during the first quarter (B) (%)77.1 [72.1;82.1]83.8 [82.2;85.4]0.01
Content of ANC consultation (C) (%)
    ≥50% a92.6 [89.4;95.8]95.9 [94.9;96.8]0.05
    ≥75% a74·2 [69.0;79.4]81·2 [79.1;83.2]0.01
        Measure94.2 [91.3;97.1]93.8 [92.6;94.9]0.79
        Weighed97.0 [95.1;98.8]97.4 [96.6;98.2]0.68
        Blood pressure97.9 [96.4;99.3]97.4 [96.4;98.3]0.58
        Urinalysis86.2 [82.6;89.8]89.0 [87.4;90.7]0.18
        Blood examination83.5 [79.7;87.4]88.4 [86.8;90.0]0.03
        Blood sugar examination69.6 [64.6;74.7]72.2 [70.0;74.4]0.36
        Syphilis detection (VDRL)37.9 [31.7;44.0]43.1 [40.8;45.5]0.13
        Ultrasound85.6 [82.1;89.0]94.2 [93.1;95.3]0.00
        Tetanus vaccine95.3 [93.0;97.6]90.0 [88.5;91.6]0.00
        Folic acid96.8 [95.1;98.5]97.8 [97.1;98.5]0.30
        Vitamins/iron/food supplement88.1 [83.0;93.2]93.0 [91.6;94.3]0.07
(A)+(B)+[(C) ≥ 50%] (%)71.7 [66.2;77.1]79.0 [77.1;80.9]0.01
Adequate ANC: (A)+(B)+[(C) ≥ 75%] (%)59.0 [53.0;65.0]68.1 [65.9;70.3]0.00
Diagnosis of some health problem during pregnancy b (%) 47.1 [40.0;54.1]60.9 [58.8;63.1]0.00
Any complication during childbirth c (%) 16.7 [12.5;20.9]20.4 [18.5;22.3]0.14
Vaginal delivery (%)66.1 [60.0;72.1]52.2 [50.1;54.3]0.00
Urgent cesarean (%)21.6 [16.6;26.6]25.9 [23.9;27.9]0.15
Planned cesarean (%)12.4 [8.34;16.4]21.9 [20.0;23.9]0.00

Note: P values refers to the test of equality or similar medians or percentages, and values lower than 0.05 signifies that distributions are statistically different. IQR, interquartile rank. Estimations performed considering the effect of the survey design.

a Refers to the percentage of medical procedures received.

b Include High blood pressure, vaginal bleeding, threat of miscarriage, preeclampsia or eclampsia, gestational diabetes, or infections.

c Include preeclampsia or eclampsia, haemorrhage, miscarriage, threat of miscarriage, obstructed delivery, wrong position of the fetus, premature childbirth or some complication due to a previous disease.

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