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Table 3 Items and factor loadings in the original abstinence-oriented scale

From: Cross-cultural adaptation of research instruments: language, setting, time and statistical considerations

Original abstinence-oriented items Original
factor
loadings
OMT staff Harm reduction staff
   Factor loadings Squared multiple correlations† Factor loadings Squared multiple correlations†
Confrontation is necessary in the treatment of drug addicts 0.53 0.358 0.128 0.556 0.309
Left to themselves, most methadone patients would stay in maintenance for life 0.60 0.007 < 0.001 0.013 < 0.001
OMT services should be expanded so all narcotic addicts who want OMT can receive it 0.62 0.238 0.057 0.246 0.061
Abstinence from all opioids (including methadone) should be the principal goal of maintenance treatment 0.60 0.516 0.266 0.531 0.282
Methadone maintenance patients who continue to use illicit opiates should have their dose of methadone reduced 0.77 0.699 0.489 0.457 0.209
No limits should be set on the duration of methadone maintenance 0.64 0.260 0.067 0.514 0.265
Methadone should be gradually withdrawn once a maintenance patient has ceased using illicit opiates 0.62 0.193 0.037 0.558 0.311
It is unethical to deny a narcotic addict OMT 0.54 0.284 0.080 0.334 0.112
OMT patients who ignore repeated warnings to stop using illicit opiates should be gradually withdrawn off methadone 0.76 0.659 0.434 0.594 0.353
Maintenance patients should only be given enough methadone to prevent the onset of withdrawals 0.59 0.115 0.013 0.248 0.062
The clinician should encourage patients to remain in methadone maintenance for at least three to four years 0.51 0.036 0.001 -0.123 0.015
It is unethical to maintain addicts on methadone indefinitely 0.58 0.354 0.126 0.385 0.148
OMT patients who continue to abuse non-opioid drugs (e.g. benzodiazepines) should have their dose of OMT medication reduced. 0.60 0.602 0.363 0.530 0.281
The clinician's principal role is to prepare methadone maintenance patients for drug-free living 0.56 0.526 0.277 0.464 0.216
  1. Items in italics omitted from exploratory analysis of a new attitudinal scale
  2. † The extent that the variance of the measured variable is explained by the latent factor.