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. Author manuscript; available in PMC: 2017 Nov 7.
Published in final edited form as: Psychol Med. 2017 Feb 22;47(10):1744–1760. doi: 10.1017/S0033291717000174

Appendix Table 3.

Bivariate associations between socio-demographics correlates and DSM-IV specific phobia (low-lower middle income countries).

Correlates 30-day Specific Phobiaa Lifetime Specific Phobiab 12-month Specific Phobia among lifetime casesc 30-day Specific Phobia among 12-month casesc
OR (95% CI) OR (95% CI) OR (95% CI) OR (95% CI)
Age-cohort
 18–29 1.5* (1.0–2.1) 1.6* (1.3–2.0)
 30–44 1.2 (0.1.7) 1.2 (1.0–1.5)
 45–59 1.2 (0.8–1.7) 1.2 (0.9–1.5)
 60+ 1.0 1.0
Age-cohort differenced χ23 = 8.7*. P=0.03 χ23 =31.7*. P<.001
Age of onset
 Early 1.1 (0.7–1.7) 0.8 (0.5–1.4)
 Early-average 1.0 (0.6–1.5) 0.8 (0.4–1.3)
 Late-average 1.0 (0.7–1.5) 0.6* (0.4–1.0)
 Late 1.0 1.0
Age of onset differenced χ23 = 0.3. P=0.96 χ23 = 4.9. P=0.183
Time since onset (Continuous) 1.00 (0.99–1.01) 1.00 (0.99–1.01)
χ21 = 0.0. P=0.84 χ21 = 0.1. P=0.79
Gender
 Female 2.0* (1.6–2.5) 1.5* (1.3–1.8) 1.5* (1.1–2.1) 1.2 (0.9–1.7)
 Male 1.0 1.0 1.0 1.0
Gender differenced χ21 =35.8*. P<.001 χ21 =7.2*. P<.001 χ21 =7.5*. P=0.006 χ21 = 1.7. P=0.190
Employment status
 Student 1.1 (0.8–1.7) 1.1 (0.9–1.4) 0.8 (0.5–1.4) 1.3 (0.7–2.2)
 Homemaker 1.6* (1.3–2.1) 1.4* (1.2–1.7) 1.3 (0.8–2.0) 1.3 (0.8–2.0)
 Retired 1.4 (0.8–2.4) 1.6* (1.1–2.2) 1.0 (0.4–2.4) 0.6 (0.2–1.4)
 Other 1.5* (1.2–2.0) 1.3* (1.1–1.6) 1.8* (1.1–3.1) 1.1 (0.7–1.7)
 Employed 1.0 1.0 1.0 1.0
Employment status differenced χ24 = 20.4*. P<.001 χ24 =18.6*. P<.001 χ24 = 6.1. P=0.19 χ24 = 3.3. P=0.52
Marital status
 Never married 1.2 (1.0–1.6) 1.2 (1.0–1.4) 1.0 (0.7–1.4) 1.1 (0.8–1.5)
Divorced/separated/widowed 1.1 (0.7–1.5) 1.1 (0.9–1.3) 1.1 (0.6–2.0) 0.9 (0.5–1.5)
 Currently married 1.0 1.0 1.0 10
Marital status differenced χ22 = 3.1. P=0.22 χ22 = 4.1. P=0.13 χ22 = 0.2. P=0.93 χ22 = 0.4. P=0.81
Education level
 No education 1.6 (1.0–2.6) 1.6* (1.1–2.3) 1.3 (0.6–2.4) 1.1 (0.5–2.3)
 Some primary 1.7* (1.0–2.8) 1.9* (1.4–2.7) 0.7 (0.3–1.4) 1.0 (0.4–2.1)
 Finished primary 1.8* (1.2–2.9) 1.9* (1.4–2.6) 0.9 (0.5–1.7) 0.9 (0.4–1.9)
 Some secondary 1.3 (0.9–2.0) 1.7* (1.2–2.2) 1.0 (0.6–1.6) 0.6 (0.3–1.2)
 Finished secondary 1.4 (0.9–2.1) 1.7* (1.3–2.2) 0.7 (0.4–1.2) 0.9 (0.5–1.6)
 Some college 1.2 (0.8–2.0) 1.8* (1.4–2.4) 0.7 (0.4–1.2) 0.6 (0.3–1.1)
 Finished college 1.0 1.0 1.0 1.0
Education level differenced χ23 = 9.1. P=0.17 χ23 =20.3*. P= .003 χ23 = 5.6. P=0.47 χ23 = 7.1. P=0.31
Household income
 Low 1.4* (1.1–1.9) 1.2 (1.0–1.5) 1.1 (0.8–1.7) 1.4 (0.9–2.1)
 Low-average 1.2 (0.9–1.6) 1.1 (0.9–1.3) 1.4 (0.9–2.2) 1.1 (0.7–1.8)
 High-average 0.9 (0.6–1.2) 1.0 (0.8–1.2) 0.8 (0.5–1.2) 0.9 (0.6–1.5)
 High 1.0 1.0 1.0 1.0
Household income differenced χ23 =15.8*. P =.001 χ23 = 6.7. P=0.08 χ23 = 5.6. P=0.14 χ23 = 4.3. P=0.23
Ne 31773 1158886 1748 1254
*

Significant at the .05 level. 2 sided test.

a

These estimates are based on logistic regression models adjusted for age. gender and low-lower middle income countries.

b

These estimates are based on survival models adjusted for age-cohorts. gender. person-years and low-lower middle income countries.

c

These estimates are based on logistic regression models adjusted for time since specific phobia onset. age of specific phobia onset. gender and low-lower middle income countries.

d

Chi square test of significant differences between blocks of sociodemographic variables.

e

Denominator N: 31.773 = total sample; 1.158.886 = number of person-years in the survival models; 1.748 = number of lifetime cases of specific phobia; 1.254 = number of 12-month cases of specific phobia.