Characteristics of 7052 participants in the Hordaland Health Study (HUSK) without prevalent or 12-month incident ischaemic heart disease (hospitalisation or death with I20–I25)
| Non-cases health anxiety* N=6342 (%) | Cases health anxiety† N=710 (%) | p Value for difference | |
|---|---|---|---|
| Age‡ | 43.1 (1.55) | 43.2 (1.61) | 0.005§ |
| Missing | 0 (0) | 0 (0) | |
| Gender (male) | 3305 (52.1) | 361 (50.8) | 0.521¶ |
| Missing | 0 (0) | 0 (0) | |
| Cohabiting | 4754 (75.0) | 470 (66.2) | <0.001¶ |
| Missing | 0 (0) | 0 (0) | |
| Education | |||
| Less than high school | 1035 (16.3) | 168 (23.7) | <0.001¶ |
| High school | 2939 (46.3) | 323 (45.5) | |
| College or university | 2318 (36.5) | 213 (30.0) | |
| Missing | 50 (0.8) | 6 (0.8) | |
| Usual alcohol consumption per 14 days (units) | |||
| 0 | 1587 (25.0) | 197 (27.7) | 0.008¶ |
| 1–5 | 1744 (27.5) | 159 (22.4) | |
| ≥6 | 1765 (27.8) | 191 (26.9) | |
| Missing | 1246 (19.6) | 163 (23.9) | |
| Activity (hours per week) | |||
| 0 | 1704 (26.9) | 231 (32.5) | 0.002¶ |
| <1 | 1704 (26.9) | 204 (28.7) | |
| 1–2 | 1789 (28.2) | 174 (24.5) | |
| ≥3 | 919 (14.5) | 77 (10.8) | |
| Missing | 226 (3.6) | 24 (3.4) | |
| Diabetes (yes) | 61 (1.0) | 15 (2.1) | 0.006¶ |
| Missing | 34 (0.5) | 7 (1.0) | |
| First-degree relative with AMI before 60 years of age (yes) | 957 (15.1) | 128 (18.0) | 0.004¶ |
| Missing or unknown | 196 (3.1) | 34 (4.8) | |
| BMI | |||
| ≤19.9 | 254 (4.0) | 32 (4.5) | 0.011¶ |
| 20.0–24.9 | 2909 (45.7) | 285 (40.1) | |
| 25.0–29.9 | 2476 (39.0) | 288 (40.6) | |
| ≥30.0 | 704 (11.1) | 103 (14.5) | |
| Missing | 7 (0.1) | 2 (0.3) | |
| Total cholesterol quintiles (mg/dL) | |||
| 1st (<183.7) | 1265 (20.0) | 133 (18.8) | 0.552¶ |
| 2nd (≥183.7, <202.3) | 1262 (19.9) | 141 (19.9) | |
| 3rd (≥202.3, <221.2) | 1262 (19.9) | 141 (19.9) | |
| 4th (≥221.2, <244.8) | 1282 (20.2) | 134 (18.9) | |
| 5th (≥244.8) | 1261 (19.9) | 159 (22.5) | |
| Missing | 11 (0.2) | 2 (0.3) | |
| HDL quintiles (mg/dL) | |||
| 1st (<37.0) | 1173 (18.5) | 172 (24.3) | <0.001¶ |
| 2nd (≥37.0, <43.0) | 1235 (19.5) | 153 (21.6) | |
| 3rd (≥43.0, <49.5) | 1302 (20.6) | 136 (19.2) | |
| 4th (≥49.5, <58.1) | 1279 (20.2) | 126 (17.8) | |
| 5th (≥58.1) | 1342 (21.2) | 121 (17.1) | |
| Missing | 11 (0.2) | 2 (0.3) | |
| Systolic BP quintiles (mm Hg) | 128.5 (0.17) | 128.3 (0.53 | |
| 1st (<116.7) | 1247 (19.9) | 155 (22.2) | 0.536¶ |
| 2nd (≥116.7, <123.7) | 1247 (19.9) | 134 (19.2) | |
| 3rd (≥123.7, <130.3) | 1189 (19.0) | 119 (17.0) | |
| 4th (≥130.3, <139.0) | 1129 (20.6) | 143 (20.5) | |
| 5th (≥139.0) | 1288 (20.6) | 147 (21.1) | |
| Missing | 16 (0.3) | 2 (0.3) | |
| Smoking | |||
| Current | 2488 (39.2) | 341 (48.0) | <0.001¶ |
| Former | 1783 (28.1) | 187 (26.3) | |
| Never | 2064 (32.5) | 181 (25.5) | |
| Missing | 7 (0.1) | 1 (0.1) | |
*Score under 90th centile (<31 points) of Whiteley Index.
†Score equal to or above 90th centile (≥31 points) of Whiteley Index.
‡Mean (st.dev).
§Independent samples t-test.
¶Pearson χ2.