Table 1.
Prevalence and severity of asthma symptoms in children and teenagers from the northern area of Mexico City, ISAAC vs. GAN.
| Variable | 6 and 7 years old |
13 and 14 years old |
|||||||
|---|---|---|---|---|---|---|---|---|---|
| ISAAC |
GAN |
ISAAC |
GAN |
||||||
| N | Frequency, % (95% CI) | N | Frequency, % (95% CI) | N | Frequency, % (95% CI) | N | Frequency, % (95% CI) | ||
| WHEZEV | Men | 350/1626 | 21.5 (19.7–23.7) | 337/1130 | 29.8 (27.2–32.5) | 311/2036 | 15.3 (13.8–16.9) | 264/1602 | 16.5 (14.7–18.3) |
| Women | 266/1579 | 16.8 (15.1–18.8) | 345/1385 | 24.9 (22.6–27.2) | 348/1855 | 18.8 (17.0–20.6) | 400/1773 | 22.6 (20.7–24.6) | |
| Both | 616/3205 | 19.2 (17.9–20.6) | 682/2515 | 27.1 (25.4–28.9) | 659/3891 | 16.9 (15.8–18.1) | 664/3375 | 19.7 (18.4–21.1) | |
| WHEZ12 | Men | 116/1626 | 7.1 (6.0–8.5) | 137/1130 | 12.1 (10.2–14.0) | 168/2036 | 8.3 (7.1–9.5) | 104/1602 | 6.4 (5.4–7.8) |
| Women | 101/1579 | 6.4 (5.3–7.7) | 129/1385 | 9.3 (7.8–10.8) | 217/1855 | 11.7 (10.3–13.2) | 196/1773 | 11.0 (9.7–12.6) | |
| Both | 217/3205 | 6.8 (5.9–7.7) | 266/2515 | 10.6 (9.4–11.8) | 385/3891 | 9.9 (9.0–10.9) | 300/3375 | 8.8 (8.0–9.9) | |
| ASTHMAEV | Men | 90/1626 | 5.5 (4.5–6.8) | 66/1130 | 5.8 (4.5–7.2) | 150/2036 | 7.4 (6.3–8.6) | 121/1602 | 7.5 (6.3–8.9) |
| Women | 54/1579 | 3.4 (2.6–4.4) | 63/1385 | 4.7 (3.6–5.8) | 160/1855 | 8.6 (7.4–10.0) | 129/1773 | 7.3 (6.2–8.6) | |
| Both | 144/3205 | 4.5 (3.8–5.3) | 129/2515 | 5.1 (4.3–6.0) | 310/3891 | 8.0 (7.2–8.9) | 250/3377 | 7.4 (6.6–8.3) | |
| ASTHDOC | Men | NI | NI | 59/1130 | 5.2 (3.9–6.5) | NI | NI | 93/1602 | 5.8 (4.8–7.0) |
| Women | NI | NI | 51/1385 | 3.7 (2.7–4.7) | NI | NI | 93/1773 | 5.2 (4.3–6.4) | |
| Both | NI | NI | 110/2515 | 4.4 (3.6–5.2) | NI | NI | 186/3375 | 5.5 (4.8–6.3) | |
| SPEECH12 | Men | 26/1624 | 1.6 (1.0–2.2) | 53/1130 | 4.7 (3.5–5.9) | 64/2036 | 3.1 (2.4–3.9) | 40/1602 | 2.5 (1.8–3.4) |
| Women | 25/1578 | 1.6 (1.0–2.2) | 35/1385 | 2.5 (1.7–3.4) | 97/1855 | 5.2 (4.2–6.2) | 96/1773 | 5.4 (4.4–6.6) | |
| Both | 51/3202 | 1.6 (1.2–2.0) | 88/2515 | 3.5 (2.8–4.2) | 161/3891 | 4.1 (3.5–4.8) | 136/3375 | 4.0 (3.4–4.7) | |
| NWHEZ12 | 1–3 | 173/3202 | 5.4 (4.6–6.2) | 243/2515 | 9.7 (8.5–10.8) | 247/3888 | 6.4 (5.6–7.1) | 283/3375 | 8.4 (7.5–9.3) |
| 4–12 | 26/3202 | 0.8 (0.5–1.1) | 29/2515 | 1.2 (0.7–1.6) | 97/3888 | 2.5 (2.0–3.0) | 46/3375 | 1.4 (1.0–1.8) | |
| >12 | 2/3202 | 0.1 (0.0–0.1) | 4/2515 | 0.2 (0.0–0.3) | 17/3888 | 0.4 (0.2–0.6) | 8/3375 | 0.2 (0.1–0.4) | |
| AWAKE12 | <1 NIGHT/W |
107/3200 | 3.3 (2.7–4.0) | 131/2515 | 5.2 (4.3–6.1) | 72/3890 | 1.9 (1.4–2.3) | 136/3375 | 4.0 (3.4–4.7) |
| ≥1 NIGHT/W |
32/3200 | 1.0 (0.7–1.3) | 48/2515 | 1.9 (1.4–2.4) | 28/3890 | 0.7 (0.5–1.0) | 21/3375 | 0.6 (0.4–0.9) | |
WHEZEV- Has this child ever had wheezing or whistling in the chest at any time in the past? WHEZ12- Has this child had wheezing or whistling in the chest in the past 12 months? ASTHMAEV- Has this child ever had asthma? ASTHMADOC- Was this child's asthma confirmed by a doctor? SPEECH12- In the past 12 months, has wheezing ever been severe enough to limit this child's speech to only one or two words at a time between breaths? NWHEZ12- How many attacks of wheezing has this child had in the past 12 months? AWAKE12- In the past 12 months, how often, on average, has this child's sleep been disturbed due to wheezing? NI- No information, NIGHT/W - Night for a week