TABLE 1—
Characteristics of Blood Lead Levels and Length of Resettlement to Health Screening Among Refugee Children: Kentucky, 2012–2016
| Postrelocation Duration, Daysa |
Blood Lead Level |
||||||
| Variable | Tertile 1 (n = 585) | Tertile 2 (n = 582) | Tertile 3 (n = 555) | P | ≥ 5 µg/dL (n = 192) | < 5 µg/dL (n = 1530) | P |
| Age (n = 1722) | .032 | .020 | |||||
| Percentiles (25th/50th/75th) | 4.0/7.6/11.3 | 3.7/6.7/10.6 | 3.9/7.4/11.3 | 3.3/6.3/10.6 | 4.0/7.4/11.1 | ||
| Mean ±SD | 7.7 ±4.2 | 7.1 ±4.0 | 7.6 ±4.1 | 6.8 ±4.1 | 7.6 ±4.1 | ||
| > 3 y, % (no.) | 82 (479) | 80 (467) | 83 (462) | .42 | 77 (147) | 82 (1261) | .048 |
| ≤ 3 y, % (no.) | 18 (106) | 20 (115) | 17 (93) | 23 (45) | 18 (269) | ||
| Gender, % (no.)a | .70 | .002 | |||||
| Male | 50 (294) | 53 (307) | 52 (286) | 62 (119) | 50 (768) | ||
| Female | 50 (291) | 47 (275) | 48 (269) | 38 (73) | 50 (762) | ||
| BMI percentileb | .21 | .23 | |||||
| Percentiles (25th/50th/75th) | 21.8/50.0/80.0 | 22.0/47.5/77.8 | 22.0/51.0/85.0 | 20.0/46.0/75.5 | 22.0/50.0/81.0 | ||
| Mean ±SD | 50.4 ±32.6 | 49.6 ±31.3 | 52.9 ±32.9 | 48.2 ±31.6 | 51.3 ±32.4 | ||
| Region, % (no.)a | <.001 | <.001 | |||||
| Asia (exclusively Near East) | 29 (171) | 27 (155) | 25 (140) | 46 (88) | 25 (378) | ||
| Eurasia | 0 (2) | 0 (0) | 0 (0) | 0 (0) | 0 (2) | ||
| Latin America and Caribbean | 5 (29) | 10 (60) | 20 (113) | 6 (12) | 12 (190) | ||
| Middle East | 20 (115) | 24 (141) | 17 (97) | 14 (27) | 21 (326) | ||
| Sub-Saharan Africa | 46 (268) | 39 (226) | 37 (205) | 34 (65) | 41 (634) | ||
| Season, % (no.)a | .61 | .77 | |||||
| Winter | 51 (300) | 51 (299) | 54 (299) | 53 (102) | 52 (796) | ||
| Summer | 49 (285) | 49 (283) | 46 (256) | 47 (90) | 48 (734) | ||
| Year of arrival, % (no.)a | <.001 | .33 | |||||
| 2012 | 15 (85) | 4 (22) | 3 (17) | 10 (20) | 7 (104) | ||
| 2013 | 23 (135) | 16 (95) | 28 (153) | 21 (41) | 22 (342) | ||
| 2014 | 20 (117) | 38 (220) | 37 (205) | 29 (56) | 32 (486) | ||
| 2015 | 34 (198) | 38 (222) | 31 (170) | 33 (63) | 34 (527) | ||
| 2016 | 9 (50) | 4 (23) | 2 (10) | 6 (12) | 5 (71) | ||
| Anemia, % (no.)c | .31 | .24 | |||||
| No | 92 (530) | 90 (516) | 89 (459) | 88 (165) | 90 (1340) | ||
| Yes | 8 (48) | 10 (60) | 11 (56) | 12 (23) | 10 (141) | ||
| Intestinal infestation, % (no.)d | .52 | .007 | |||||
| No | 59 (202) | 61 (240) | 64 (227) | 50 (63) | 63 (606) | ||
| Yes | 41 (138) | 39 (152) | 36 (130) | 50 (62) | 37 (358) | ||
Note. BMI = body mass index (weight in kilograms divided by the square of height in meters).
a
n = 1722.
b
n = 1700. Tertiles 1, 2, and 3 were equivalent to 1 to < 40 days, ≥ 40 to < 62 days, and ≥ 62 to 391 days, respectively.
c
n = 1669.
d
n = 1089.