11,909 responses from 1,337 respondents to 9 items.
| Description | PHQ-9 depressive symptoms over the past two weeks, 9 items scored 0 (not at all) to 3 (nearly every day), patients with clinically confirmed coronary heart disease recruited consecutively at three cardiology sites in Hamburg, Germany. 11,909 responses from 1,337 respondents on 9 items. |
|---|---|
| Reference | Kohlmann, S.; Gierk, B.; Murray, A. M.; Scholl, A.; Lehmann, M.; Lowe, B. (2016). Base Rates of Depressive Symptoms in Patients with Coronary Heart Disease: An Individual Symptom Analysis. PLOS ONE, 11(5), e0156167. https://doi.org/10.1371/journal.pone.0156167 |
| DOI | 10.1371/journal.pone.0156167 |
| Licence | CC BY 4.0 |
| Source data | https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0156167 |
| Responses | 11,909 |
|---|---|
| Respondents | 1,337 |
| Items | 9 |
| Response categories | 4 |
| Responses per respondent | 8.907 |
| Responses per item | 1323.222 |
| Density | 0.990 |
| Longitudinal | FALSE |
cov_agecov_bypasscov_ccs_angina_classcov_diabetescov_dyslipidemiacov_education_levelcov_employedcov_eq5d_indexcov_family_historycov_gendercov_hypertensioncov_infarctcov_nyha_classcov_obesitycov_settingcov_smokingiditemresp
Or load it directly in R or Python:
# R
install.packages("remotes")
remotes::install_github("itemresponsewarehouse/Rpkg")
library(irw)
df <- irw_fetch("kohlmann_2016_phq9")
# Python
pip install irw
import irw
df = irw.fetch("kohlmann_2016_phq9")
| IRW version | v393 |
|---|---|
| Redivis dataset | item_response_warehouse_5 v4.0 |
| Redivis dataset DOI | 10.57761/yvjw-0981 |
| Manifest pin for this IRW version | v4.0 |
| Metadata source | irw_meta v23.0 |