Table 1.
Participant demographics
| BPRHS | Somerville | Combined | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Category | Total (n = 23) | HEPA First (n = 11) | Sham First (n = 12) | Total (n = 20) | HEPA First (n = 10) | Sham First (n = 10) | Total (n = 43) | HEPA First (n =21) | Sham First (n =22) |
| Demographic Data | |||||||||
| Age, Mean (min-max), years | 64.1 (52–78) | 63.6 (52–73) | 64.5 (55–78) | 52.9 (42–79) | 55.3 (42–79) | 50.6 (42– 63) | 58.9 (42–79) | 59.6 (42–79) | 58.1 (42–78) |
| BMI, Median (Min-Max) | 31.6 (24.4–49.9) | 32.5 (24.4–42.6) | 29.9 (25.5–49.9) | 33.2 (20–72) | 33.6 (20–72) | 32.9 (25–51) | 32.9 (20–72) | 33.03 (20–72) | 32.9 (25–51) |
| Female | 18 (78%) | 8 (73%) | 10 (83%) | 16 (80%) | 7 (70%) | 9 (90%) | 34 (79%) | 15 (71%) | 19 (86%) |
| Hispanic | 23 (100%) | 11 (100%) | 12 (100%) | 7 (35%) | 3 (30%) | 4 (40%) | 30 (70%) | 14 (67%) | 16 (73%) |
| Annual Household Income <$24,999 | 19(83%) | 8 (73%) | 11 (92%) | 15 (75%) | 9 (90%) | 6 (60%) | 34 (79%) | 17 (81%) | 17 (77%) |
| Annual Household Income $25,000 – $74,999 | 1 (4%) | 1 (9%) | 0 (0%) | 3 (15%) | 1 (10%) | 2 (20%) | 4 (9%) | 2 (10%) | 2 (9%) |
| Eighth Grade Education | 9 (39%) | 4 (36%) | 5 (42 %) | 13 (65%) | 5 (50%) | 8 (80%) | 22 (51%) | 9 (43%) | 13 (31%) |
| Below Federal Poverty Threshold* | 12 (52%) | 4 (36%) | 8 (67%) | ||||||
| Employed | 0 (0%) | 0 (0%) | 0 (0%) | 9 (45%) | 3 (30%) | 6 (60%) | 9 (21%) | 3 (14%) | 6 (27%) |
| Distance to I-93: ≤100 m * | 10 (50%) | 6 (60%) | 4 (40%) | ||||||
| Distance to I-93: 101–200 m * | 10 (50%) | 4 (40%) | 6 (60%) | ||||||
| < 50 m to a major roadway * | 7 (32%) | 3 (30%) | 4 (33%) | ||||||
| Health data and Medicines used | |||||||||
| Total Cholesterol, mean (min- max), mg/dL | 207.3 (147–307) | 197.8 (147–307) | 220.4 (178–255) | 290.2 (100–450) | 263.6 (100–400) | 316.9 (141–450) | 249.8 (100–450) | 229.1 (100–400) | 274 (141–450) |
| Triglycerides, mean (min-max), mg/dL | 192 (75–610) | 187.3 (93–425) | 198.4 (75–610) | 211.4 (50–500) | 169 (50–375) | 253.9 (50–500) | 202 (50–610) | 178.6 (50–425) | 229.2 (50–610) |
| Previous Heart Attack | 8 (36%) | 5 (50%) | 3 (25%) | 1 (5%) | 1 (10%) | 0 (0%) | 9 (21%) | 6 (30%) | 3 (14%) |
| Diabetes | 12 (52%) | 8 (73%) | 4 (33%) | 2 (10%) | 0 (0%) | 2 (20%) | 14 (33%) | 8(38%) | 6 (27%) |
| High Blood Pressure or Hypertension | 18 (82%) | 8 (80%) | 10 (83%) | 11 (55%) | 8 (80%) | 3 (30%) | 29 (69%) | 16 (80%) | 13 (59%) |
| Anti-hypertension medicine | 18 (78%) | 9 (82%) | 9 (75%) | 10 (50%) | 7 (70%) | 3 (30%) | 28 (65%) | 16 (76%) | 12 (55%) |
| Anti-inflammatory medicine | 4 (17%) | 2 (18%) | 3 (25%) | 7 (35%) | 6 (60%) | 1 (10%) | 11 (26%) | 8(38%) | 4 (18%) |
| Anti-lipids medicine | 17 (74%) | 10 (91%) | 7 (58%) | 3 (15%) | 2 (20%) | 1 (10%) | 20 (47%) | 12 (57%) | 8 (36%) |
| Anti-diabetes medicine | 11(48%) | 8 (73%) | 3 (25%) | 3 (15%) | 1 (10%) | 2 (20%) | 14 (33%) | 9 (43%) | 5 (23%) |
| Window Opening | |||||||||
| Window opening during December to February | 8 (35%) | 6 (55%) | 2 (17%) | 9 (45%) | 4 (40%) | 5 (50%) | 17 (40%) | 10 (48%) | 7 (32%) |
| Window opening during June to August | 16 (70%) | 8 (73%) | 8 (67%) | 17 (85%) | 9 (90%) | 8 (80%) | 33 (77%) | 17 (81%) | 16 (73%) |
*
demographic data only recorded for one study