Table 2 Linear regression results showing the change in mean haemoglobin concentration (g/dL) in highland and lowland villages by year and other variables when adjusted for age and gender

9.253

(8.822 - 9.684)

<0.001

11.073

(10.652 - 11.494)

<0.001

0.039

(-0.075 - 0.153)

0.495

0.149

(0.031 - 0.267)

0.013

-0.388

(-0.506 - -0.27)

<0.001

-0.471

(-0.642 - -0.300)

<0.001

-0.28

(-0.400 - -0.160)

<0.001

-0.254

(-0.374 - -0.134)

<0.001

Reference

0.145

(-0.065 - 0.355)

0.175

-0.933

(-1.154 - -0.712)

<0.001

0.327

(0.129 - 0.525)

0.001

-1.199

(-1.42 - -0.978)

<0.001

0.286

(0.076 - 0.496)

0.008

-1.248

(-1.469 - -1.027)

<0.001

0.134

(-0.087 - 0.355)

0.235

-1.048

(-1.269 - -0.827)

<0.001

0.424

(0.130 - 0.718)

0.005

-0.515

(-0.821 - -0.209)

<0.001