Table 5.
Chi-square tests of consumer demand (C) (%) vs. insurer supply (I) (%).
| Year | Observed | Expected | Observed | Expected | Observed | Expected |
|---|---|---|---|---|---|---|
| Silver-C | Silver-I | Bronze-C | Bronze-I | Gold-C | Gold-I | |
| 2014 | 65 | 67 | 20 | 14 | 9 | 12 |
| 2015 | 69 | 66 | 21 | 15 | 6 | 12 |
| 2016 | 71 | 72 | 21 | 13 | 6 | 10 |
| 2017 | 74 | 73 | 21 | 13 | 3 | 8 |
| 2018 | 65 | 73 | 28 | 13 | 6 | 8 |
| 2019 | 61 | 72 | 30 | 14 | 7 | 9 |
| 2020 | 59 | 72 | 33 | 15 | 7 | 8 |
| 2021 | 55 | 75 | 35 | 15 | 8 | 7 |
| 2022 | 56 | 72 | 32 | 16 | 10 | 9 |
| 2023 | 54 | 68 | 32 | 18 | 12 | 12 |
| 2024 | 54 | 68 | 31 | 15 | 13 | 13 |
| Chi-square statistic | 20.09 | 143.41 | 10.06 | |||
| p-value | 0.028 | <0.0001 | 0.435 | |||
Data on the metal plans offered by insurers (I) are calculated from the 2014–2024 HIX Compare Individual Market datasets. Data on the metal plans purchased by consumers (C) are compiled from the CMS annual open enrollment reports.