compute_mh_y_pps__severity_score: Compute "Prodromal Psychosis Scale [Youth] (Severity Score)"

In ABCDscores: Summary Scores of the Adolescent Brain Cognitive Development (ABCD) Study

Compute "Prodromal Psychosis Scale [Youth] (Severity Score)"

Description

Computes the summary score mh_y_pps__severity_score Prodromal Psychosis Scale [Youth] (Severity Score)

• Summarized variables:

  • mh_y_pps__severity_001

  • mh_y_pps__severity_002

  • mh_y_pps__severity_003

  • mh_y_pps__severity_004

  • mh_y_pps__severity_005

  • mh_y_pps__severity_006

  • mh_y_pps__severity_007

  • mh_y_pps__severity_008

  • mh_y_pps__severity_009

  • mh_y_pps__severity_010

  • mh_y_pps__severity_011

  • mh_y_pps__severity_012

  • mh_y_pps__severity_013

  • mh_y_pps__severity_014

  • mh_y_pps__severity_015

  • mh_y_pps__severity_016

  • mh_y_pps__severity_017

  • mh_y_pps__severity_018

  • mh_y_pps__severity_019

  • mh_y_pps__severity_020

  • mh_y_pps__severity_021

• Excluded values: none

• Validation criterion: none of 21 items missing

Usage

compute_mh_y_pps__severity_score(
  data,
  name = "mh_y_pps__severity_score",
  max_na = 0,
  combine = TRUE
)

Arguments

data	tbl. Data frame containing the columns to be summarized.
name	character. Name of the summary score column.
max_na	numeric, positive whole number. Number of missing items allowed. NULL means no limit.
combine	logical. If TRUE (default), the summary score is is appended as a new column to the input data frame. If FALSE, the summary score is returned as a separate one-column data frame.

Details

The severity score is calculated by summing the severity scores for each question and adding the number of mh_y_pps__bother__yes_count to the total.

However, if the mh_y_pps__severity_nm score is greater than max_na, the severity score is set to NA.

There is also a sanity check for the gating question of PPS base/bother score. If the paired base/bother question is 0 or NA and the severity score is not missing, the paired severity score is set to NA before computing the score.

Value

tbl. see combine.

See Also

compute_mh_y_pps__bother__yes_count()

Examples

## Not run: 
compute_mh_y_pps__severity_score(data) |>
  select(
    any_of(c("mh_y_pps__severity_score", vars_mh_y_pps__severity))
  ) |>
  View()

## End(Not run)

ABCDscores documentation built on Sept. 11, 2025, 5:08 p.m.