| Sex | | | Having a child | | |
| Male | 750 | 50.0 | Yes | 876 | 58.4 |
| Female | 750 | 50.0 | Family medical history | | |
| Age (years) | | | SBS | 3 | 0.2 |
| 20–29 | 68 | 4.5 | MCS | 1 | 0.1 |
| 30–39 | 266 | 17.7 | Asthma | 95 | 7.7 |
| 40–49 | 533 | 35.5 | Atopic dermatitis | 122 | 9.8 |
| 50–59 | 496 | 33.1 | Rash | 21 | 1.7 |
| 60–69 | 137 | 9.1 | Hay fever | 335 | 27.0 |
| Education | | | Allergic rhinitis | 186 | 15.0 |
| < 6 years | 6 | 0.4 | Allergic conjunctivitis | 34 | 2.7 |
| 6–9 years | 69 | 4.6 | Food allergy | 40 | 3.2 |
| 10–12 years | 454 | 30.3 | Urticaria | 74 | 6.0 |
| ≥ 13 years | 966 | 64.4 | Mental illnesses | 34 | 2.7 |
| Other | 5 | 0.3 | Sensitivity of family to air quality and odor | | |
| Family income (yen) | | | Yes | 373 | 24.9 |
| < 3 million | 329 | 21.9 | Family smoking | | |
| 3–< 6 million | 534 | 35.6 | Yes | 654 | 43.6 |
| 6–< 9 million | 346 | 23.1 | Duration of residence | | |
| 9–< 15 million | 231 | 15.4 | < 5 years | 268 | 17.9 |
| ≥ 15 million | 60 | 4.0 | 5–< 10 years | 283 | 18.9 |
| Medical history | | | 10–< 20 years | 461 | 30.7 |
| SBS | 1 | 0.1 | ≥ 20 years | 488 | 32.5 |
| MCS | 6 | 0.4 | Age of house building | | |
| Asthma | 134 | 8.9 | | <5 years | 103 | 6.9 |
| Atopic dermatitis | 130 | 8.7 | | 5–< 10 years | 158 | 10.5 |
| Rash | 56 | 3.7 | | 10–< 20 years | 423 | 28.2 |
| Hay fever | 386 | 25.7 | | ≥ 20 years | 816 | 54.4 |
| Allergic rhinitis | 244 | 16.3 | House construction | | |
| Allergic conjunctivitis | 65 | 4.3 | Wooden | 729 | 48.6 |
| Food allergy | 47 | 3.1 | Material window flame (bedroom) | | |
| Urticaria | 154 | 10.3 | Old wooden sash | 28 | 1.9 |
| Mental illnesses | 76 | 5.1 | Aluminum sash | 853 | 56.9 |
| Smoking | | | Double aluminum sash | 260 | 17.3 |
| Never | 794 | 52.9 | Insulation sash | 144 | 9.6 |
| Quit | 340 | 22.7 | Others | 215 | 14.3 |
| Current | 366 | 24.4 | Insulating glass pane type (bedroom) | | |
| Exposure to tobacco | | | Single | 884 | 58.9 |
| Never | 150 | 10.0 | Double | 427 | 28.5 |
| Rare | 236 | 15.7 | Triple | 11 | 0.7 |
| Sometimes | 567 | 37.8 | Others | 178 | 11.9 |
| Often | 547 | 36.5 | Presence of condensation | | |
| Living experience in a renovated house/new house | | | Yes | 1020 | 68.0 |
| Yes | 1004 | 66.9 | Moisture and musty odor | | |
| Headache, heaviness in head, tinnitus | | Yes | 786 | 52.4 |
| Never | 1185 | 79.0 | Using deodorant and fragrance | | |
| Rare | 193 | 12.9 | No | 392 | 26.1 |
| Sometimes | 78 | 5.2 | Rare | 344 | 22.9 |
| Often | 24 | 1.6 | Sometimes | 439 | 29.3 |
| Always | 20 | 1.3 | Often | 196 | 13.1 |
| Itching, burning, irritation, drying of the eyes | | | Every day | 129 | 8.6 |
| Never | 1189 | 79.3 | Pet | | |
| Rare | 201 | 13.4 | Yes | 429 | 28.6 |
| Sometimes | 82 | 5.5 | Ventilation | | |
| Often | 13 | 0.9 | Less than once/day | 391 | 26.1 |
| Always | 15 | 1.0 | More than once/day | 1109 | 73.9 |
| Irritated, stuffy, or runny nose and irritated or dry throat | | Frequency of cleaning | | |
| Never | 1023 | 68.2 | Less than once/week | 337 | 22.5 |
| Rare | 279 | 18.6 | More than once/week | 1163 | 77.5 |
| Sometimes | 145 | 9.7 | Residential area | | |
| Often | 38 | 2.5 | Hokkaido | 59 | 3.9 |
| Always | 15 | 1.0 | Tohoku | 74 | 4.9 |
| Cough and sneezes | | | Kanto | 595 | 39.7 |
| Never | 994 | 66.3 | Chubu | 236 | 15.7 |
| Rare | 311 | 20.7 | Kansai | 329 | 21.9 |
| Sometimes | 152 | 10.1 | Chugoku | 80 | 5.3 |
| Often | 30 | 2.0 | Shikoku | 42 | 2.8 |
| Always | 13 | 0.9 | Kyushu, Okinawa | 85 | 5.7 |
| Number of family members | | | Interest in air quality and odor | | |
| 1 | 261 | 17.4 | Yes | 958 | 63.9 |
| 2 | 422 | 28.1 | Knowledge regarding SBS | | |
| 3 | 388 | 25.9 | No | 128 | 8.5 |
| 4 | 302 | 20.1 | Have heard | 778 | 51.9 |
| ≥ 5 | 127 | 8.5 | Aware | 464 | 30.9 |
| | | | | Deep knowledge | 130 | 8.7 |
