Table 3.
Interrupted time series analysis of counts of essential maternal and child health care services by natural region, Peru: 2018–2021, Highlands
| Month | At least one antenatal care visit |
At least four antenatal care visits |
Institutional deliveries |
Skilled birth attendances |
Caesarean sections |
Postnatal care visits within two days of childbirth |
||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
IRR (95% CI)
|
P-value
|
IRR (95% CI)
|
P-value
|
IRR (95% CI)
|
P-value
|
IRR (95% CI)
|
P-value
|
IRR (95% CI)
|
P-value
|
IRR (95% CI)
|
P-value
|
| March 2020 |
0.65 (0.63–0.67) |
<0.001 |
0.57 (0.55–0.59) |
<0.001 |
0.94 (0.93–0.95) |
<0.001 |
0.94 (0.93–0.96) |
<0.001 |
1.05 (1.04–1.05) |
<0.001 |
0.96 (0.93–0.96) |
<0.001 |
| April 2020 |
0.65 (0.63–0.67) |
<0.001 |
0.64 (0.61–0.66) |
<0.001 |
0.87 (0.86–0.88) |
<0.001 |
0.87 (0.86–0.89) |
<0.001 |
0.91 (0.90–0.91) |
<0.001 |
0.86 (0.84–0.86) |
<0.001 |
| May 20 |
0.88 (0.85–0.92) |
<0.001 |
0.62 (0.60–0.65) |
<0.001 |
0.89 (0.88–0.91) |
<0.001 |
0.90 (0.89–0.92) |
<0.001 |
0.93 (0.92–0.94) |
<0.001 |
0.91 (0.88–0.91) |
<0.001 |
| June 2020 |
1.01 (0.97–1.06) |
0.565 |
0.60 (0.57–0.63) |
<0.001 |
0.86 (0.85–0.87) |
<0.001 |
0.87 (0.85–0.88) |
<0.001 |
0.91 (0.90–0.92) |
<0.001 |
0.86 (0.84–0.86) |
<0.001 |
| July 2020 |
0.92 (0.87–0.97) |
0.001 |
0.63 (0.60–0.67) |
<0.001 |
0.90 (0.89–0.91) |
<0.001 |
0.91 (0.89–0.92) |
<0.001 |
0.97 (0.96–0.98) |
<0.001 |
0.88 (0.85–0.88) |
<0.001 |
| August 2020 |
0.84 (0.79–0.88) |
<0.001 |
0.71 (0.67–0.75) |
<0.001 |
0.88 (0.88–0.89) |
<0.001 |
0.90 (0.89–0.92) |
<0.001 |
0.97 (0.96–0.98) |
<0.001 |
0.88 (0.85–0.88) |
<0.001 |
| September 2020 |
0.93 (0.88–0.97) |
0.003 |
0.80 (0.76–0.84) |
<0.001 |
0.95 (0.94–0.96) |
<0.001 |
0.97 (0.95–0.98) |
<0.001 |
1.02 (1.01–1.03) |
<0.001 |
0.87 (0.85–0.87) |
<0.001 |
| October 2020 |
1.00 (0.96–1.04) |
0.948 |
0.82 (0.80–0.86) |
<0.001 |
0.98 (0.98–0.99) |
<0.001 |
1.00 (0.99–1.01) |
0.885 |
1.05 (1.05–1.06) |
0.885 |
0.97 (0.95–0.97) |
<0.001 |
| November 2020 |
1.02 (0.98–1.05) |
0.339 |
0.80 (0.78–0.82) |
<0.001 |
1.01 (1.00–1.02) |
0.002 |
1.03 (1.02–1.04) |
<0.001 |
0.98 (0.98–0.99) |
<0.001 |
0.99 (0.98–0.99) |
<0.001 |
| December 2020 |
0.89 (0.87–0.91) |
<0.001 |
0.87 (0.85–0.88) |
<0.001 |
0.90 (0.89–0.9) |
<0.001 |
0.90 (0.89–0.91) |
<0.001 |
0.97 (0.96–0.97) |
<0.001 |
0.93 (0.93–0.93) |
<0.001 |
| Overall 2020 |
0.93 (0.87–1.00) |
0.053 |
0.79 (0.77–0.80) |
<0.001 |
0.96 (0.94–0.97) |
<0.001 |
0.96 (0.95–0.98) |
<0.001 |
0.91 (0.89–0.93) |
<0.001
|
0.96 (0.94–0.98)
|
0.001
|
| January 2021 |
1.04 (1.03–1.06) |
<0.001 |
0.91 (0.90–0.92) |
<0.001 |
0.90 (0.89–0.90) |
<0.001 |
0.90 (0.89–0.91) |
<0.001 |
0.98 (0.98–0.98) |
<0.001 |
0.93 (0.91–0.93) |
<0.001 |
| February 2021 |
0.97 (0.96–0.98) |
<0.001 |
0.90 (0.89–0.91) |
<0.001 |
0.84 (0.83–0.84) |
<0.001 |
0.84 (0.83–0.84) |
<0.001 |
0.93 (0.93–0.94) |
<0.001 |
0.81 (0.80–0.81) |
<0.001 |
| March 2021 |
1.12 (1.11–1.14) |
<0.001 |
0.88 (0.87–0.90) |
<0.001 |
0.93 (0.92–0.93) |
<0.001 |
0.93 (0.92–0.93) |
<0.001 |
0.93 (0.93–0.94) |
<0.001 |
0.94 (0.92–0.94) |
<0.001 |
| April 2021 |
1.02 (1.01–1.04) |
0.006 |
0.91 (0.89–0.93) |
<0.001 |
0.90 (0.89–0.91) |
<0.001 |
0.89 (0.89–0.90) |
<0.001 |
0.93 (0.93–0.94) |
<0.001 |
0.87 (0.85–0.87) |
<0.001 |
| May 21 |
1.04 (1.01–1.06) |
0.002 |
0.90 (0.87–0.93) |
<0.001 |
0.92 (0.91–0.93) |
<0.001 |
0.92 (0.91–0.93) |
<0.001 |
0.93 (0.93–0.94) |
<0.001 |
0.93 (0.91–0.93) |
0.237 |
| June 2021 |
1.08 (1.05–1.12) |
<0.001 |
0.93 (0.89–0.96) |
0.001 |
0.93 (0.92–0.94) |
<0.001 |
0.93 (0.92–0.94) |
<0.001 |
0.93 (0.93–0.94) |
<0.001 |
0.91 (0.89–0.91) |
0.242 |
| July 2021 |
1.06 (1.03–1.10) |
<0.001 |
0.89 (0.85–0.92) |
0.001 |
0.99 (0.98–1.00) |
0.011 |
0.99 (0.98–1.00) |
0.11 |
0.93 (0.93–0.94) |
0.11 |
0.94 (0.91–0.94) |
<0.001 |
| August 2021 |
1.16 (1.13–1.20) |
<0.001 |
0.90 (0.86–0.94) |
0.761 |
0.99 (0.98–1.00) |
0.003 |
0.99 (0.98–1.00) |
0.159 |
0.93 (0.93–0.94) |
0.159 |
1.01 (0.98–1.01) |
<0.001 |
| September 2021 |
1.14 (1.10–1.17) |
<0.001 |
0.90 (0.87–0.93) |
0.034 |
1.04 (1.03–1.04) |
<0.001 |
1.03 (1.03–1.04) |
<0.001 |
0.93 (0.93–0.94) |
<0.001 |
0.99 (0.97–0.99) |
<0.001 |
| October 2021 |
1.07 (1.04–1.09) |
<0.001 |
0.91 (0.89–0.93) |
<0.001 |
0.96 (0.96–0.97) |
<0.001 |
0.97 (0.96–0.97) |
<0.001 |
0.93 (0.93–0.94) |
<0.001 |
0.99 (0.97–0.99) |
<0.001 |
| November 2021 |
1.04 (1.03–1.05) |
<0.001 |
0.98 (0.97–0.99) |
0.431 |
0.97 (0.97–0.97) |
<0.001 |
0.97 (0.97–0.97) |
<0.001 |
0.93 (0.93–0.94) |
<0.001 |
0.97 (0.96–0.97) |
<0.001 |
| December 2021 |
1.00 (0.00–0.00) |
<0.001 |
1.00 (0.00–0.00) |
<0.001 |
1.00 (0.00–0.00) |
<0.001 |
1.00 (0.00–0.00) |
<0.001 |
0.93 (0.93–0.94) |
<0.001 |
1.00 (0.00–0.00) |
<0.001 |
| Overall 2021 | 1.04 (0.98–1.09) | 0.184 | 1.01 (0.99–1.04) | 0.258 | 0.95 (0.93–0.97) | <0.001 | 0.91 (0.89–0.98) | <0.001 | 0.98 (0.94–1.03) | 0.602 | 0.92 (0.90–0.95) | <0.001 |
CI - confidence interval, IRR - incidence rate ratio