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. Author manuscript; available in PMC: 2013 Aug 29.
Published in final edited form as: J Affect Disord. 2010 Jan;120(0):76–85. doi: 10.1016/j.jad.2009.04.016

TABLE 1.

Prevalence and Age of Onset of life-time and 12-month MDE, by Gender. The ESEMeD-Spain project.

Total Females Males
Diagnosi
s (12 Mo
or LT)
Cohorts Denominator N1 N2 %(SE) Denominator
N1
N2 %(SE) Denominator
N1
N2 %(SE) 1 df test
between
gender3
12-month
MDE
18–34 1567 61 3.6 (0.7) 834 46 5.2 (1.1) 733 15 1.9 (0.6) X2=7.5*, P=.006,
df=1
35–49 1431 62 3.8 (0.5) 809 44 4.8 (0.8) 622 18 2.7 (0.5) X2=4.4*, P=.035,
df=1
50–64 1024 66 5.4 (0.7) 587 50 7.8 (1.2) 437 16 2.9 (0.8) X2=9.7*, P=.002,
df=1
65+ 1451 58 3.6 (0.6) 822 51 5.4 (0.9) 629 7 0.9 (0.4) X2=15.9*,
P=.000, df=1
All Ages 5473 247 4.0 (0.3) 3052 191 5.7 (0.5) 2421 56 2.2 (0.3) X2=31.2*,
P=.000, df=1
3 df significance
test across
cohorts3
. . X2=6.5,
P=091, df=3
. . X2=3.9,
P=.274, df=3
. . X2=11.4*,
P=010, df=3
--
LT MDE 18–34 1567 167 9.1 (0.8) 834 114 12.3 (1.3) 733 53 6.0 (1.0) X2=14.2*,
P=.000, df=1
35–49 1431 194 11.9 (0.8) 809 141 15.3 (1.5) 622 53 8.3 (1.2) X2=10.9*,
P=.001, df=1
50–64 1024 160 12.6 (1.0) 587 118 17.9 (1.8) 437 42 6.9 (1.3) X2=21.1*,
P=.000, df=1
65+ 1451 151 9.8 (1.0) 822 125 14.0 (1.7) 629 26 4.0 (0.8) X2=21.9*,
P=.000, df=1
All Ages 5473 672 10.6 (0.5) 3052 498 14.5 (0.8) 2421 17
4
6.4 (0.5) X2=55.9*,
P=.000, df=1
3 df significance
test across
cohorts3
. . X2=10.9*,
P=012, df=3
. . X2=8.5*,
P=.037, df=3
. . X2=7.5,
P=.058, df=3
--
12-month
MDE
among LT
MDE
18–34 167 61 39.2 (5.5) 114 46 42.5 (6.5) 53 15 32.6 (8.8) X2=0.8, P=363,
df=1
35–49 194 62 31.9 (3.7) 141 44 31.4 (4.7) 53 18 32.9 (5.1) X2=0.1, P=.816,
df=1
50–64 160 66 43.3 (4.0) 118 50 43.7 (5.2) 42 16 42.1 (8.7) X2=0.0, P=.887,
df=1
65+ 151 58 36.2 (3.9) 125 51 38.8 (4.4) 26 7 23.7 (8.7) X2=2.2, P=.142,
df=1
All Ages 672 247 37.5 (1.9) 498 191 39.0 (2.3) 174 56 33.7 (3.9) X2=1.2, P=.281,
df=1
3 df significance
test across
cohorts3
. . X2=3.1,
P=.376, df=3
. . X2=3.4,
P=.336, df=3
. . X2=2.9,
P=.401, df=3
--
Median
Age of
Onset
(IQR
Range)
18–34 167 19.2
(16.8–23.8)
114 19.0
(16.1–23.7)
53 19.7
(17.4–23.9)
X2=0.2, P=.636,
df=1
35–49 194 31.1
(23.4–37.0)
141 32.0
(23.9–37.0)
53 29.7
(22.1–36.9)
X2=0.0, P=.856,
df=1
50–64 160 44.5
(33.8–49.9)
118 44.3
(33.3–49.0)
42 46.9
(35.1–51.6)
X2=0.2, P=.643,
df=1
65+ 151 52.8
(34.9–62.7)
125 50.0
(34.8–62.0)
26 54.5
(26.7–63.7)
X2=0.0, P=876,
df=1
All Ages 672 30.0
(19.7–44.3)
498 32.0
(19.8–45.0)
17
4
28.9
(19.3–39.5)
X2=2.3, P=.127,
df=1
1

Total cases among each age group

2

cases of 12-mo/LT MDE among the age groups

3

3 df tests for significant difference across age groups and 1 df test for significance difference across genders; odds ratios and significance tests are not presented for the models where the size of the subsample is less than 15, or the count of the dependent variable is less than 5

*

Significant at the 0.05 level