Table A2.
Quantile Regression Coefficients of the Birth Weight Production Function – 5-1,280 Meter Range
| Quantiles | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 0.1 | 0.1 | 0.25 | 0.25 | 0.5 | 0.5 | 0.75 | 0.75 | 0.9 | 0.9 | |
| Altitude | −16.6***
c (1.85) |
−9.60***
b (2.02) |
−10.1***
c (1.10) |
−5.91***
b (1.22) |
−9.45***
c (0.84) |
−7.49***
b (1.05) |
−9.47***
c (0.99) |
−8.58***
b (1.17) |
−8.33***
c (1.21) |
−7.39***
b (1.53) |
| Acute illnesses | −75.0***c (11.8) |
−30.3***
c (6.58) |
−4.35 c (5.60) |
−4.8 c (6.11) |
−0.71 c (8.10) |
|||||
| Chronic illnesses |
−125.3***
c (17.3) |
−67.1***
c (10.0) |
−43.9***
c (8.00) |
−20.2**
c (8.34) |
4.04 c (10.1) |
|||||
| Conception difficulty |
−47.7** (21.4) |
−24.7** (11.8) |
−11.1 (9.55) |
−7.63 (10.7) |
−1.06 (13.2) |
|||||
| Live births | 17.1***b (2.86) |
11.0***
b (2.11) |
12.1***
b (1.72) |
15.4***
b (1.74) |
17.2***
b (2.36) |
|||||
| Miscarriages/ stillbirths |
−48.9***c (9.97) |
−14.3***
c (5.12) |
−8.82**
c (3.78) |
−7.14*
c (4.21) |
4.8c (5.34) |
|||||
| Physical shocks | −21.4 (41.9) |
3.39 (18.0) |
−25.4 (17.8) |
−17.7 (15.6) |
−14.2 (22.3) |
|||||
| SES | 25.0***c (5.38) |
14.9***
c (3.36) |
11.9***
c (2.88) |
8.23***
c (2.89) |
0.93 c (3.79) |
|||||
| Maternal age | 52.2*** (6.07) |
42.8*** (3.61) |
37.4*** (3.09) |
37.5*** (3.30) |
41.0*** (4.00) |
|||||
| Maternal age squared |
−0.93***b (0.11) |
−0.72***
b (0.067) |
−0.58***
b (0.056) |
−0.56***
b (0.060) |
−0.6***
b (0.072) |
|||||
| Male | 65.0***c (9.70) |
94.7***
c (5.82) |
111.4***
c (4.94) |
123.8***
c (5.54) |
140.1***
c (7.24) |
|||||
| African ancestry | −102.9***
c (19.3) |
−75.3***
c (11.6) |
−55.8***
c (9.31) |
−45.6***
c (9.75) |
−29.1**
c (12.1) |
|||||
| Native ancestry | 21.2 (15.6) |
17.1* (9.18) |
15.2** (7.40) |
6.36 (7.59) |
9.49 (11.1) |
|||||
| European Latin ancestry |
13.3 (11.5) |
10.9 (6.70) |
19.0*** (5.25) |
8.14 (6.38) |
−0.37 (7.77) |
|||||
| European non- Latin ancestry |
14.9 (18.4) |
20.7** (10.2) |
29.8*** (8.98) |
12.1 (9.15) |
21.9* (12.5) |
|||||
| Other ancestry | 90.0**
c (37.3) |
−22.7 c (29.9) |
−76.2**
c (32.0) |
−28.4 c (23.8) |
−46.8 c (41.4) |
|||||
| No university affiliation |
26.2** (12.1) |
18.1*** (6.96) |
14.0** (5.94) |
14.8** (6.58) |
14.0 (8.52) |
|||||
| Maternity hospital |
50.5*** (14.5) |
47.0*** (8.37) |
36.0*** (7.23) |
27.2*** (7.50) |
26.8** (10.9) |
|||||
| Other institution | −71.5*
b (37.5) |
−94.7***
b (28.3) |
−68.9**
b (30.3) |
3.53 b (28.8) |
16.9 b (27.6) |
|||||
| Private institution |
−4.51 (28.6) |
−32.6* (18.7) |
−47.2** (18.6) |
−46.8*** (17.5) |
−19.6 (24.3) |
|||||
| State/ Province institution |
−125.4*** (22.1) |
−71.1*** (12.5) |
−28.3** (12.1) |
−4.79 (12.4) |
−3.85 (17.1) |
|||||
| Local public institution |
−93.1***a (21.5) |
−60.3***
a (11.7) |
−36.6***
a (11.3) |
−30.7**
a (12.3) |
−34.1**
a (15.2) |
|||||
| Brazil | −149.5*** (13.2) |
−130.2*** (16.8) |
−110.0*** (7.70) |
−96.3*** (10.5) |
−81.0*** (6.39) |
−66.0*** (9.35) |
−80.0*** (7.39) |
−54.7*** (9.39) |
−79.5*** (8.97) |
−46.9*** (12.9) |
| Chile | 198.8*** (13.9) |
72.7*** (25.8) |
150.1*** (7.73) |
78.3*** (14.6) |
143.4*** (7.39) |
106.0*** (14.6) |
124.6*** (8.30) |
117.9*** (14.9) |
116.5*** (10.5) |
114.7*** (19.0) |
| Colombia | −184.9*** (43.4) |
−241.5*** (45.5) |
−203.9*** (40.6) |
−193.6*** (30.8) |
−121.1*** (21.3) |
−98.4*** (25.5) |
−145.0*** (27.2) |
−99.4*** (24.3) |
−137.3*** (29.5) |
−91.3** (37.2) |
| Birth year 1983 | 30.0 (43.4) |
8.70 (48.3) |
−50.0* (27.9) |
−53.9* (30.7) |
−27.8 (25.8) |
−41.0* (24.0) |
−48.7* (27.1) |
−29.9 (27.5) |
−8.17 (33.1) |
0.081 (40.2) |
| Birth year 1984 | 30.0 (47.1) |
37.2 (45.5) |
−40.5 (28.9) |
−36.7 (26.6) |
−30.9 (26.4) |
−49.2* (27.7) |
−37.0 (26.2) |
−18.7 (27.6) |
−20.0 (36.9) |
−23.9 (44.1) |
| Birth year 1985 | −20.0 (50.8) |
−7.69 (55.3) |
−30.6 (25.4) |
−51.6* (29.0) |
−50.0** (22.8) |
−58.4** (25.4) |
−80.0*** (27.6) |
−54.5** (26.9) |
−46.9 (36.7) |
−35.8 (41.3) |
| Birth year 1986 | 33.4 (47.4) |
23.3 (44.3) |
−20.5 (28.1) |
−34.2 (28.2) |
−24.5 (24.0) |
−32.0 (27.3) |
−18.2 (29.0) |
−17.6 (30.7) |
10.00 (34.6) |
16.9 (39.5) |
| Birth year 1987 | 10.0 (51.8) |
−2.30 (57.8) |
−40.5 (28.5) |
−36.7 (29.2) |
−50.6** (24.7) |
−72.8*** (27.4) |
−78.7*** (29.9) |
−47.9 (34.4) |
−70.0* (36.8) |
−36.8 (41.6) |
| Birth year 1988 | −60.0 (65.1) |
−70.2 (53.3) |
−60.5** (29.0) |
−74.7** (34.5) |
−27.8 (29.6) |
−45.9* (26.5) |
−48.2** (22.7) |
−30.1 (31.1) |
−10.0 (35.6) |
−1.72 (45.4) |
| Birth year 1989 | −82.8* (45.4) |
−63.8 (52.1) |
−50.6 (32.3) |
−80.8** (32.5) |
−37.8 (26.0) |
−53.6** (24.0) |
−48.7 (33.8) |
−74.8*** (28.6) |
−60.0* (35.7) |
−47.9 (39.7) |
| Birth year 1990 | −10.00 (44.3) |
−16.6 (46.3) |
−17.1 (26.6) |
−33.1 (27.9) |
−20.9 (26.5) |
−44.7 (27.9) |
−40.0 (24.6) |
−37.8 (27.6) |
−40.0 (34.5) |
−34.0 (37.5) |
| Birth year 1991 | 60.0 (38.2) |
48.3 (38.4) |
−17.1 (26.2) |
−32.6 (27.5) |
−0.57 (23.5) |
−18.4 (23.2) |
−48.7** (22.6) |
−25.8 (23.8) |
20.0 (37.3) |
53.5 (44.0) |
| Birth year 1992 | 30.0 (40.9) |
−5.67 (45.0) |
−17.0 (23.6) |
−27.6 (27.9) |
−0.000025 (19.8) |
−17.1 (20.6) |
−1.78 (22.6) |
−1.56 (24.6) |
13.1 (29.6) |
13.9 (34.0) |
| Birth year 1993 | 10.0 (45.7) |
10.2 (43.8) |
−12.0 (21.3) |
−16.4 (28.3) |
1.05 (22.6) |
−6.92 (24.1) |
−16.9 (24.6) |
5.20 (23.2) |
50.0 (33.8) |
52.4 (36.2) |
| Birth year 1994 | 0.000027 (43.1) |
−7.48 (45.3) |
−0.61 (19.9) |
4.36 (26.3) |
−0.57 (19.8) |
−4.76 (20.8) |
−10.00 (23.3) |
23.8 (25.5) |
30.0 (33.8) |
64.3 (40.5) |
| Birth year 1995 | 23.4 (38.1) |
46.8 (41.0) |
−5.24 (24.2) |
−13.0 (26.0) |
−10.9 (23.3) |
−21.2 (21.0) |
−22.8 (23.9) |
−2.43 (24.6) |
13.8 (35.5) |
36.5 (35.1) |
| Birth year 1996 | −4.50 (39.3) |
20.9 (40.3) |
−50.0** (23.8) |
−30.4 (26.4) |
−24.5 (23.2) |
−28.6 (20.9) |
−38.2 (26.0) |
−22.6 (23.8) |
30.5 (30.2) |
45.3 (35.0) |
| Birth year 1997 | 23.4 (41.7) |
44.9 (42.6) |
−5.00 (24.1) |
11.8 (29.3) |
−0.57 (22.2) |
−2.32 (22.3) |
−12.6 (24.1) |
8.91 (23.8) |
−5.25 (29.6) |
25.5 (37.4) |
| Birth year 1998 | 17.5 (40.9) |
22.8 (41.4) |
−11.0 (22.5) |
−3.73 (26.9) |
−14.5 (20.8) |
−14.7 (20.5) |
−46.4** (20.7) |
−6.64 (23.6) |
−13.2 (31.4) |
15.9 (34.4) |
| Birth year 1999 | 30.0 (37.9) |
58.4 (40.5) |
−0.61 (18.7) |
9.51 (25.7) |
−0.57 (19.8) |
−0.068 (20.0) |
−12.6 (22.0) |
14.7 (23.7) |
10.00 (27.2) |
35.2 (34.8) |
| Birth year 2000 | 22.0 (37.9) |
45.7 (38.7) |
−0.61 (21.0) |
14.6 (25.1) |
2.27 (19.8) |
5.53 (20.4) |
−16.9 (20.9) |
4.51 (22.1) |
1.08 (27.9) |
31.6 (33.1) |
| Birth year 2001 | 50.0 (33.0) |
76.8** (36.6) |
−0.10 (21.3) |
22.1 (24.5) |
6.02 (19.0) |
8.34 (20.2) |
−8.73 (20.3) |
12.6 (22.2) |
9.33 (26.3) |
30.5 (34.2) |
| Birth year 2002 | 79.5** (34.4) |
92.7** (37.2) |
−0.61 (19.0) |
11.5 (24.2) |
−8.95 (19.0) |
−8.42 (19.3) |
−47.0** (19.6) |
−5.48 (22.4) |
−40.0 (28.0) |
−4.01 (34.3) |
| Birth year 2003 | 20.0 (35.3) |
37.1 (38.4) |
−0.61 (18.7) |
10.5 (25.0) |
0.48 (18.3) |
2.03 (19.6) |
−38.7** (19.4) |
−14.5 (22.9) |
−30.7 (26.0) |
14.4 (34.0) |
| Birth year 2004 | 23.4 (35.1) |
67.2* (37.8) |
−20.6 (20.2) |
−4.15 (25.1) |
−8.37 (19.8) |
−0.66 (20.2) |
−32.6* (19.7) |
−6.51 (22.2) |
−20.1 (27.5) |
11.5 (34.5) |
| Birth year 2005 | −40.5 (35.1) |
−24.5 (40.6) |
−60.1*** (21.4) |
−33.4 (26.1) |
−19.7 (19.8) |
−17.7 (20.8) |
−32.6* (19.7) |
−6.30 (23.6) |
−16.3 (27.1) |
24.1 (32.8) |
| Birth year 2006 | 9.75 (37.9) |
46.1 (41.7) |
−20.6 (22.1) |
−10.7 (25.9) |
−8.37 (21.6) |
4.92 (21.7) |
−27.0 (21.1) |
20.1 (24.3) |
−20.0 (30.6) |
31.5 (34.7) |
| Birth year 2007 | −30.2 (43.3) |
−10.6 (48.3) |
−20.6 (23.9) |
−0.40 (27.8) |
−14.5 (20.3) |
−15.8 (21.5) |
−58.7*** (22.4) |
−21.7 (23.4) |
−35.5 (32.7) |
0.79 (37.0) |
| Birth year 2008 | −40.5 (43.3) |
−7.96 (44.2) |
−50.6* (28.0) |
−31.8 (28.4) |
−8.37 (24.1) |
−0.13 (26.2) |
−48.2* (25.3) |
17.9 (24.4) |
29.5 (34.9) |
75.7* (39.7) |
| Constant | 2640.8*** (30.4) |
1985.5*** (92.4) |
3001.1*** (17.5) |
2382.1*** (55.8) |
3301.0*** (17.1) |
2683.9*** (46.1) |
3649.2*** (18.0) |
2954.3*** (50.7) |
3920.4*** (24.7) |
3129.1*** (63.2) |
Standard errors in parentheses;
*
p<0.1,
**
p<0.05,
***
p<0.01;
a
indicate that the effects are different between the quantiles at p<0.1
b
indicate that the effects are different between the quantiles at p<0.05
c
indicate that the effects are different between the quantiles at p<0.01, respectively.