Table 3:
Results of growth curve models of average inflammation as a predictor of cognitive score
Model 1 | Model 2 | Model 3 | Model 4 | Model 5 | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Beta | 95% CI | Beta | 95% CI | Beta | 95% CI | Beta | 95% CI | Beta | 95% CI | |
|
||||||||||
Intercept | ||||||||||
Baseline cognitive score, male | 16.561 | (16.206, 16.916) | 16.167 | (15.841, 16.492) | 16.584 | (16.153, 17.015) | 16.112 | (15.717, 16.507) | 16.253 | (15.669, 16.836) |
Female | −1.309 | (−1.842, −0.775) | −0.310 | (−0.821, 0.201) | −1.258 | (−1.835, −0.681) | −0.190 | (−0.742, 0.361) | −0.038 | (−0.572, 0.496) |
Inflammation index, average | −0.621 | (−0.915, −0.326) | −0.345 | (−0.614, −0.076) | −0.593 | (−0.894, −0.292) | −0.332 | (−0.606, −0.057) | −0.310 | (−0.576, −0.043) |
Slope | ||||||||||
Age * male | −0.169 | (−0.212, −0.125) | −0.150 | (−0.191, −0.110) | −0.169 | (−0.214, −0.125) | −0.149 | (−0.191, −0.108) | −0.139 | (−0.179, −0.099) |
Age * female | −0.278 | (−0.328, −0.229) | −0.245 | (−0.291, −0.199) | −0.278 | (−0.328, −0.229) | −0.245 | (−0.291, −0.199) | −0.227 | (−0.272, −0.182) |
Age * inflammation index, average | 0.003 | (−0.036, 0.042) | 0.002 | (−0.035, 0.038) | 0.003 | (−0.036, 0.042) | 0.002 | (−0.035, 0.038) | −0.004 | (−0.039, 0.031) |
| ||||||||||
SD(slope) | 0.172 | (0.129, 0.230) | 0.165 | (0.126, 0.216) | 0.175 | (0.132, 0.233) | 0.167 | (0.129, 0.218) | 0.158 | (0.120, 0.208) |
SD(intercept) | 2.559 | (2.322, 2.822) | 2.180 | (1.951, 2.436) | 2.546 | (2.307, 2.808) | 2.165 | (1.936, 2.421) | 2.053 | (1.826, 2.307) |
SD(residual) | 2.217 | (2.116, 2.323) | 2.239 | (2.137, 2.345) | 2.216 | (2.114, 2.322) | 2.238 | (2.136, 2.345) | 2.250 | (2.148, 2.357) |
| ||||||||||
Includes education? | No | Yes | No | Yes | Yes | |||||
Includes BMI? | No | No | Yes | Yes | Yes | |||||
Includes current smoker? | No | No | Yes | Yes | Yes | |||||
Includes interviewer-rated heath? | No | No | No | No | Yes | |||||
| ||||||||||
Number of observations | 1620 | 1620 | 1620 | 1620 | 1620 | |||||
Number of respondents | 596 | 596 | 596 | 596 | 596 | |||||
Mean observations per respondent | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | |||||
| ||||||||||
Chi squared (p-value), sex * baseline cog score | 23.092 | (<0.001) | 1.414 | (0.234) | 18.259 | (<0.001) | 0.458 | (0.498) | 0.019 | (0.890) |
Chi squared (p-value), sex * age | 10.693 | (0.001) | 9.150 | (0.002) | 10.427 | (0.001) | 9.198 | (0.002) | 8.468 | (0.004) |