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. Author manuscript; available in PMC: 2015 Jul 1.
Published in final edited form as: Popul Space Place. 2013 Mar 26;20(5):402–420. doi: 10.1002/psp.1776

Table 1.

Summary statistics and group mean comparison (t-test) for selected variables for the Agincourt study site 2007

All HH
Temporary migrant HH
Permanent migrant HH
Mean (S.D.) Min Max Yes No sig.1 Yes No sig.1
Outcomes
    Temporary migrants per HH 1.19 (1.36) 0 12 62.9% 37.1% 6.4% 93.6%
    Permanent migrants per HH 0.08 (0.38) 0 10
Predictors
    NDVI_sum 2.72 (1.17) 1.26 5.49 2.77 2.65 *** 2.68 2.73
    NDVI_intcpt 3.96 (0.43) 3.34 4.93 3.96 3.96 3.96 3.96
    NDVI_slope 4.40 (0.95) 2.37 5.95 4.43 4.35 *** 4.39 4.40
Controls
    Age of HH head 52.27 (15.09) 15 100 52.28 52.25 53.57 52.18 *
    Female HH head 0.39 (0.49) 0 1 0.36 0.45 *** 0.40 0.39
    Mozambican background 0.27 (0.45) 0 1 0.27 0.28 0.31 0.27 *
    Masculinity proportion 0.44 (0.25) 0 1 0.48 0.39 *** 0.43 0.44
    Dependence proportion 0.10 (0.21) 0 1 0.06 0.16 *** 0.08 0.10 *
    Working proportion 0.29 (0.27) 0 1 0.32 0.24 *** 0.25 0.29 ***
    Education proportion 6.64 (3.26) 0 13 7.16 5.76 *** 6.74 6.64
    SES 2.43 (0.44) 0 3.97 2.49 2.33 *** 2.43 2.43
    Prime age death (last 3 years) 0.09 (0.29) 0 1 0.09 0.10 * 0.12 0.09
N 9,625 6,056 3,569 617 9,008

HH=Households; 1Ordinary t-test was performed to evaluate group mean differences;

*

p≤.05

**p≤.01

***

p≤.001

Source: Agincourt Health and Demographic Surveillance Site (Agincourt HDSS) for the year 2007