Table 2.
Multivariable Linear Regression Analysis of Summary Cognition Score on Sociodemographic Characteristics, Health Characteristics, and Region
| Variable | Model 1 | Model 2 | Model 3 | Model 4 |
|---|---|---|---|---|
| Hypertension (reference: no hypertension) | ||||
| Undiagnosed hypertension | 0.5 (−4.5 to 5.4) | 1.2 ( −2.7 to 5.0) | 0.1 (−3.7 to 3.9) | 0.3 (−3.3 to 4.0) |
| Diagnosed hypertension | 6.0 (1.8 to 10.2) | 3.2 (0.4 to 6.4) | −0.1 (−3.3 to 3.2) | 0.5 (−2.7 to 3.7) |
| Age (reference: 60–69 y), y | ||||
| 70–79 | −12.6 (−15.8 to −9.4) | −11.5 (−14.6 to −8.3) | −11.4 (−14.4 to −8.3) | |
| ≥80 | −30.4 (−35.4 to −25.3) | −27.6 (−32.6 to −22.6) | −27.2 (−32.0 to −22.4) | |
| Sex (reference: men) Women | −7.5 (−10.8 to −4.3) | −8.5 (−11.7 to −5.3) | −8.4 (−11.5 to −5.3) | |
| Education (reference: no schooling) | ||||
| Less than secondary schooling | 45.2 (41.4 to 49.0) | 43.6 (39.9 to 47.4) | 41.8 (38.2 to 45.5) | |
| Secondary schooling or higher | 61.8 (55.3 to 68.3) | 58.9 (52.5 to 65.3) | 58.0 (51.8 to 64.2) | |
| Relationship status (reference: married) | ||||
| Widowed | −5.6 (−9.0 to −2.3) | −4.9 (−8.2 to −1.6) | −6.5 (−9.7 to −3.3) | |
| Separated/divorced/never married | −3.5 (−16.1 to 9.2) | −0.3 (−12.3 to 11.6) | −5.6 (− 17.0 to 5.8) | |
| Residence (reference: urban) | ||||
| Rural | −16.6 (−19.5 to −13.7) | −14.3 (−17.2 to −11.3) | −12.9 (−15.8 to −9.9) | |
| Caste (reference: no caste or other caste) | ||||
| Scheduled caste | −6.0 (−10.3 to −1.8) | −4.2 (−8.4 to −0.1) | −6.3 (−10.6 to −2.1) | |
| Scheduled tribe | −9.6 (−15.9 to −3.2) | −6.2 (−12.5 to 0.2) | −10.7 (− 17.0 to −4.4) | |
| Other backwards class | 0.6 ( −2.7 to 3.9) | 1.2 (−2.0 to 4.4) | −2.7 (− 5.9 to 0.6) | |
| Per capita consumption (reference: <24,100 rupees), rupees | ||||
| 24,100–36,920 | 4.2 ( −0.2 to 8.2) | 3.0 (−0.9 to 6.9) | 2.9 (−0.9 to 6.7) | |
| 36,921–58,580 | 6.1 (2.2 to 10.0) | 4.3 (0.5 to 8.2) | 3.8 (0.1 to 7.5) | |
| ≥58,581 | 11.4 (7.2 to 15.6) | 8.7 (4.5 to 12.8) | 8.0 (4.0 to 12.0) | |
| BMI (reference: 18.5–24.9 kg/m2), kg/m2 | ||||
| <18.5 | −12.7 (−16.4 to −8.9) | −12.3 (−15.9 to −8.6) | ||
| 25.0–29.9 | 4.3 (0.8 to 7.9) | 4.2 (−0.7 to 7.7) | ||
| ≥30 | 8.2 (3.1 to 13.3) | 9.2 (4.2 to 14.3) | ||
| Stroke | −7.5 (−13.0 to −2.1) | −7.8 (−13.2 to −2.3) | ||
| Alzheimer’s disease/dementia | −14.2 (−27.9 to −0.4) | −13.6 (−26.8 to −0.5) | ||
| Arthritis | 0.8 (−2.4 to 4.1) | −1.8 (− 5.0 to 1.5) | ||
| Cancer | 3.7 (−8.3 to 15.7) | 1.2 (−11.9 to 14.3) | ||
| Diabetes mellitus | 3.9 (0.1 to 7.6) | 1.3 (−2.4 to 5.0) | ||
| Heart problems | 5.4 (−0.2 to 10.9) | 3.7 (−1.6 to 9.1) | ||
| Lung problems | 1.7 (−3.5 to 6.9) | 2.2 (−3.0 to 7.4) | ||
| Region (reference: central) | ||||
| North | −0.2 (− 8.0 to 7.5) | |||
| South | 18.6 (10.9 to 26.2) | |||
| East | 13.0 (4.9 to 21.0) | |||
| West | 16.2 (7.2 to 25.2) | |||
| Northeast | 11.7 (1.9 to 21.6) | |||
Note: The summary cognition measure was obtained by adding 18 cognition measures (range = 0–360). Values reported are the regression coefficients (points of the summary cognition measure) (95% confidence intervals).
Abbreviation: BMI, body mass index.