Table 1.
Authors | Study design | Study aim or purpose | Intervention | Control | Sample size | Anxiety tool | Statistical significance: yes/no | |
---|---|---|---|---|---|---|---|---|
Treatment | Control | |||||||
Experimental | ||||||||
Dobkin et al. [33] | RCT | Secondary | Tailored CBT | Usual care | 41 | 39 | HAM-A | Yes |
Craig et al. [35] | RCT | Secondary | Listening to relaxing music | NMT | 18 | 14 | BAI | Yes |
Sajatovic et al. [30] | RCT | Secondary | Self-managed program + exercise | Exercise | 12 | 12 | COVI | No |
Advocat et al. [38] | RCT | Secondary | Mindfulness-based lifestyle classes | Waitlist | 24 | 33 | DASS-21 | No |
Veazey et al. [40] | RCT | Secondary | Telephone or in-person CBT | Usual Care | 4 | 3 | BAI | No |
Quasi-experimental | ||||||||
Dobkin et al. [41] | Uncontrolled intervention pilot study | Secondary | Telephone-based CBT | — | 20 | HAM-A | Yes | |
Troeung et al. [42] | Nonrandomized intervention | Primary | PD-specific CBT | — | 18 | DASS-21 | Yes | |
Berardelli et al. [43] | Nonrandomized intervention | Outcome | Group CBT classes | — | 7 | HAM-A | Yes | |
Dissanayaka et al. [70] | Uncontrolled mixed-methodfeasibility study | Primary | Tailored mindfulness-basedCT | — | 14 | GAI | Yes | |
Dissanayaka et al. [46] | Uncontrolled intervention study | Primary | Tailored CBT (dyad of pts & caregivers) | — | 12 = patients | GAI HAM-A IQAD |
No/yes/yes Yes (all times) No (all times) |
|
10 = caregivers | ||||||||
Dobkin, Allen, & Menza [48] | Uncontrolled intervention pilot | Outcome | Modified & individualized CBT | — | 13 | STAI | No | |
Calleo et al. [50] | Nonrandomized intervention study | Secondary | Individualized, telephone, or in-person CBT | — | Patients = 8 telephone 8 in-person |
SIGH-A | No | |
Caregivers = 4 telephone 2 in-person | ||||||||
Shinmei et al. [53] | Uncontrolled feasibility study | Secondary | Culturally adapted CBT | 18 | HADS | No |
Note: RCT = randomized controlled trials; N = number; Tx = treatment; NMT = neuromuscular therapy; CBT = cognitive-based therapy; BAI = Beck Anxiety Inventory; HAM-A = Hamilton Anxiety Measure; COVI = Covi Anxiety Scale; DASS-21 = Depression Anxiety Stress Scale-21; GAI = Geriatric Anxiety Inventory; IQAD = Informant Questionnaire for Anxiety in Dementia; STAI = Spielberger State-Trait Anxiety Inventory; SIGH-A = Structured Interview Guide for HAM-A; HADS = Hospital Anxiety and Depression Scale; OASIS = Overall Anxiety Severity and Impairment Scale.