Table 1. Reference population, person/household ratio, planned sample of households and persons and simulation for 50% proportion estimates, according to age and sex groups in Teresina and Picos. PI, ISAD-PI, 2019.
| City/Sex | Age (years) | |||||||
|---|---|---|---|---|---|---|---|---|
|
| ||||||||
| 0–2 | 3–4 | 5–9 | 10–14 | 15–19 | 20–59 | ≥ 60 | ||
| Block 1 | Population reference | |||||||
|
| ||||||||
| Teresina | ||||||||
| M | 16,652 | 11,373 | 29,010 | 33,404 | 33,807 | 206,062 | 26,299 | |
| F | 16,085 | 10,905 | 28,073 | 32,820 | 36,003 | 248,680 | 38,384 | |
| Picos | ||||||||
| M | 1,187 | 848 | 2,237 | 2,598 | 2,689 | 15,600 | 2,263 | |
| F | 1,258 | 820 | 2,201 | 2,522 | 2,824 | 18,144 | 3,130 | |
|
| ||||||||
| Block 2 | Person/household ratio | |||||||
|
| ||||||||
| Teresina | ||||||||
| M | 0.0793 | 0.0541 | 0.1381 | 0.1590 | 0.1609 | 0.9808 | 0.1252 | |
| F | 0.0766 | 0.0519 | 0.1336 | 0.1562 | 0.1714 | 1.1837 | 0.1827 | |
| Picos | ||||||||
| M | 0.0701 | 0.0500 | 0.1320 | 0.1533 | 0.1587 | 0.9207 | 0.1336 | |
| F | 0.0742 | 0.0484 | 0.1299 | 0.1488 | 0.1667 | 1.0708 | 0.1847 | |
|
| ||||||||
| Block 3 | Sample of households to guarantee at least 30 individuals per group | |||||||
|
| ||||||||
| Teresina | ||||||||
| M | 379 | 554 | 217 | 189 | 186 | 31 | 240 | |
| F | 392 | 578 | 225 | 192 | 175 | 25 | 164 | |
| Picos | ||||||||
| M | 428 | 599 | 227 | 196 | 189 | 33 | 225 | |
| F | 404 | 620 | 231 | 202 | 180 | 28 | 162 | |
|
| ||||||||
| Block 4 | Sample size of individuals | |||||||
|
| ||||||||
| Teresina | Total | |||||||
| M | 46 | 31 | 80 | 92 | 93 | 567 | 72 | 981 |
| F | 44 | 30 | 77 | 90 | 99 | 684 | 106 | 1,130 |
| Total | 90 | 61 | 157 | 182 | 192 | 1251 | 178 | 2,111 |
| Picos | Total | |||||||
| M | 43 | 31 | 82 | 95 | 98 | 571 | 83 | 1,003 |
| F | 46 | 30 | 81 | 92 | 103 | 664 | 115 | 1,131 |
| Total | 89 | 61 | 163 | 187 | 201 | 1235 | 198 | 2,134 |
|
| ||||||||
| Bloco 5 | Simulation of the behavior of the confidence interval (95%CI) and the coefficient of variation of the standard error (Cv) for proportions (pˆ) 50% | |||||||
|
| ||||||||
| Teresina | 95%CI (Cv-pˆ) | |||||||
|
| ||||||||
| M | 35.5–64.5 (14.7) | 32.4–67.6 (18.0) | 39.0–61.0 (11.2) | 39.8–60.2 (10.4) | 39.8–60.2 (10.4) | 45.8–54.2 (4.2) | 38.5–61.6 (11.8) | |
| F | 35.2–64.8 (15.1) | 32.1–67.9 (18.26) | 38.8–61.2 (11.4) | 39.7–60.3 (10.5) | 40.2–59.8 (10.1) | 46.3–53.8 (3.8) | 40.5–59.5 (9.7) | |
| Picos | ||||||||
| M | 35.1–64.9 (15.3) | 32.4–67.6 (18.0) | 39.2–60.8 (11.0) | 40.0–60.1 (10.3) | 40.1–59.9 (10.1) | 45.9–54.1 (4.2) | 39.2–60.7 (11.0) | |
| F | 35.6–64.5 (14.7) | 32.1–67.9 (18.3) | 39.1–60.9 (11.1) | 39.8–60.3 (10.4) | 40.3–59.7 (9.8) | 46.2–53.8 (3.9) | 40.8–59.1 (9.3) | |
ISAD-PI: Home Health Survey in Piauí; M: male; F: female; 95%CI: 95% confidence interval; Cv-pˆ: coefficient of variation of the standard error of the proportion.