From: Cognitive functioning among poor elderly persons: evidence from Peru
 | (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) |
---|---|---|---|---|---|---|---|---|---|---|
Male (yes = 1) | 0.890*** | 0.887*** | 0.892*** | 0.891*** | 0.079 | −0.143* | −0.102 | −0.155* | −0.125 | −0.179 |
(0.067) | (0.065) | (0.065) | (0.065) | (0.073) | (0.081) | (0.096) | (0.089) | (0.095) | (0.117) | |
Mother tongue Quechua (yes = 1) | −0.795*** | −0.795*** | −0.795*** | −0.797*** | −0.679*** | −0.674*** | −0.682*** | −0.308*** | −0.358** | 0.249** |
(0.182) | (0.181) | (0.181) | (0.183) | (0.192) | (0.186) | (0.172) | (0.093) | (0.148) | (0.098) | |
Mother tongue Aymara (yes = 1) | −1.584*** | −1.583*** | −1.580*** | −1.587*** | −1.551*** | −1.571*** | −1.516*** | −0.950*** | −1.070*** | −0.829*** |
(0.095) | (0.095) | (0.093) | (0.093) | (0.132) | (0.129) | (0.148) | (0.126) | (0.202) | (0.237) | |
Age | −0.107*** | −0.345 | 18.837** |  | −0.091*** | −0.086*** | −0.086*** | −0.081*** | −0.085*** | −0.083*** |
(0.008) | (0.237) | (7.849) | Â | (0.008) | (0.008) | (0.008) | (0.008) | (0.007) | (0.007) | |
Age^2 |  | 0.017 | −2.648** |  |  |  |  |  |  |  |
 | (0.017) | (1.087) |  |  |  |  |  |  |  | |
Age^3 | Â | Â | 0.123** | Â | Â | Â | Â | Â | Â | Â |
 |  | (0.050) |  |  |  |  |  |  |  | |
Age 68–70 |  |  |  | −0.245** |  |  |  |  |  |  |
 |  |  | (0.115) |  |  |  |  |  |  | |
Age 71–73 |  |  |  | −0.612*** |  |  |  |  |  |  |
 |  |  | (0.081) |  |  |  |  |  |  | |
Age 74–76 |  |  |  | −1.074*** |  |  |  |  |  |  |
 |  |  | (0.094) |  |  |  |  |  |  | |
Age 77–80 |  |  |  | −1.275*** |  |  |  |  |  |  |
 |  |  | (0.119) |  |  |  |  |  |  | |
Illiterate (yes = 1) |  |  |  |  | −1.720*** | −1.701*** | −1.661*** | −1.737*** | −1.696*** | −1.673*** |
 |  |  |  | (0.075) | (0.078) | (0.079) | (0.084) | (0.083) | (0.077) | |
Retired (yes = 1) |  |  |  |  | −0.367*** | −0.367*** | −0.410*** | −0.510*** | −0.441*** | −0.471*** |
 |  |  |  | (0.081) | (0.076) | (0.064) | (0.051) | (0.053) | (0.075) | |
Arm span | Â | Â | Â | Â | Â | 0.013*** | 0.012** | 0.012*** | 0.011*** | 0.013*** |
 |  |  |  |  | (0.005) | (0.005) | (0.004) | (0.004) | (0.005) | |
Haemoglobin | Â | Â | Â | Â | Â | 0.006*** | 0.006*** | 0.006*** | 0.006*** | 0.006*** |
 |  |  |  |  | (0.002) | (0.002) | (0.002) | (0.002) | (0.002) | |
Urban (yes = 1) |  |  |  |  |  |  | 0.241** | 0.249** | 0.364** | 0.360** |
 |  |  |  |  |  | (0.101) | (0.108) | (0.148) | (0.168) | |
Constant | 19.303*** | 27.854*** | −431.315** | 12.250*** | 19.176*** | 16.166*** | 16.178*** | 15.538*** | 15.674*** | 15.215*** |
(0.540) | (8.340) | (188.521) | (0.079) | (0.582) | (0.813) | (0.798) | (0.623) | (0.981) | (0.694) | |
Department fixed effects | No | No | No | No | No | No | No | Yes | No | No |
District level variablesa | No | No | No | No | No | No | No | No | Yes | No |
District fixed effects | No | No | No | No | No | No | No | No | No | Yes |
Observations | 3884 | 3884 | 3884 | 3884 | 3884 | 3884 | 3884 | 3884 | 3884 | 3884 |
Pseudo R-squared | 0.026 | 0.026 | 0.026 | 0.026 | 0.051 | 0.052 | 0.053 | 0.060 | 0.055 | 0.094 |