Table 2 Results of OLS regression analyses for MALES in a) the NCS 1970–72 (n = 1,974) and b) the CCHS 2004 (n = 4,837), with sodium intake (mg/day) regressed on socio-economic variables and covariates
Predictor variable | NCS 1970-72 | CCHS 2004 | |||||
|---|---|---|---|---|---|---|---|
Unadjusted estimates1coefficient (95% CI) | Partially adjusted model2coefficient (95% CI) | Fully adjusted model3coefficient (95% CI) | Unadjusted estimates1coefficient (95% CI) | Partially adjusted model2coefficient (95% CI) | Fully adjusted model3coefficient (95% CI) | ||
Income (ref: low) | Middle | 116.4 (−256.4 to 489.3) | −27.3 (−460.2 to 405.6) | −67.1 (−390.9 to 256.8) | 172.3 (−147.6 to 492.2) | 100.6 (−232.9 to 434.0) | 6.8 (−200.2 to 213.7) |
High | −110.3 (−503.9 to 293.3) | −205.2 (−632.1 to 221.7) | −301.8 (−667.8 to 64.3) | 69.5 (−251.5 to 390.5) | 45.7 (−305.4 to 396.8) | −17.4 (−243.7 to 209.0) | |
Education (ref: lowest) | Low-mid | 95.4 (−195.1 to 386.0) | 56.9 (−232.2 to 345.9) | 5.5 (−233.9 to 245.0) | 52.7 (−270.1 to 375.5) | −31.1 (−366.3 to 304.1) | 82.8 (−154.0 to 319.7) |
Mid-high | 11.4 (−409.0 to 431.7) | −14.6 (−411.4 to 382.2) | −119.4 (−469.5 to 230.8) | 42.1 (−265.4 to 349.5) | −81.1 (−406.2 to 243.9) | 2.2 (−233.4 to 237.8) | |
Highest | −257.7 (−647.4 to 131.9) | −158.3 (−575.7 to 259.2) | −49.7 (−479.1 to 379.7) | 147.6 (−457.1 to 161.9) | −238.3 (−585.7 to 109.2) | −141.2 (−408.5 to 126.1) | |
Energy intake (kcal) | .73 (.57 to .89)** | -- | .73 (.58 to .88)** | 1.28 (1.2 to 1.4)** | -- | 1.3 (1.2 to 1.4)** | |
Age | −16.1 (−26.3 to −5.9)** | −15.8 (−26.6 to −4.9)** | 2.6 (−6.1 to 11.2) | −11.8 (−19.5 to −4.1)** | −12.4 (−20.9 to −3.9)** | 3.7 (−2.4 to 9.7) | |
Region (ref: B.C.) | Prairies | −56.2 (−424.0 to 311.5) | −172.7 (−543.4 to 198.1) | −305.1 (−602.5 to −7.8)* | −224.1 (−592.7 to 144.5) | −289.6 (−654.5 to 75.4) | 32.9 (−239.5 to 305.3) |
Ontario | −230.2 (−631.2 to 170.8) | −243.8 (−632.4 to 144.9) | −253.3 (−578.7 to 72.2) | −518.0 (−870.5 to −165.5)** | −539.5 (−885.9 to −193.1)** | −213.8 (−468.0 to 40.4)†| |
Quebec | 141.7 (−197.3 to 480.7) | 51.6 (−306.4 to 409.6) | −56.5 (−366.5 to 253.5) | 47.4 (−349.7 to 444.5) | 35.0 (−376.1 to 446.1) | 125.9 (−158.5 to 410.3) | |
Atlantic | 94.3 (−255.3 to 443.9) | −74.4 (−454.6 to 305.8) | −159.9 (−455.5 to 135.8) | −364.8 (−719.4 to −10.2)* | −453.5 (−823.4 to −83.6)* | −188.0 (−468.6 to 92.6) | |
Urban residence (ref: rural) | −337.2 (−611.8 to −62.6)* | −296.0 (−575.4 to −16.7)* | −262.8 (−482.2 to −43.5)* | 127.2 (−83.3 to 337.7) | 87.2 (−124.6 to 299.0) | .33 (−153.4 to 154.1) | |
Born outside of Canada (ref: born in Canada)4 | 343.9 (40.1 to 647.7)* | 214.5 (−109.2 to 538.2) | 185.4 (−110.3 to 481.1) | 246.6 (−83.2 to 576.4) | 138.9 (−207.5 to 485.2) | 66.6 (−149.7 to 282.9) | |
Employed (ref: not employed) | 386.5 (−155.6 to 928.6) | 345.9 (−268.4 to 960.2) | 321.9 (−234.3 to 882.1) | 387.4 (130.9 to 643.8)** | 323.9 (20.8 to 627.1)* | 52.6 (−134.5 to 239.7) | |
Marital status (ref: not married or common-law) | N/A | N/A | N/A | 124.4 (−73.8 to 322.6) | 205.5 (3.7 to 407.3)* | 79.3 (−66.1 to 224.8) | |