Table 3 Multiple block wise linear regression analyses for the severity of somatic distress (N = 116)

Model 1 (R²_adj. = 0.156)⁵: gender, age, and number of medical visits

Gender^a

−2.464

−4.622 to −.305

1.089

−.208

.026

Number of medical visits

1.176

.415 to 1.938

.384

.281

.003

Model 2 (R²_adj. = 0.245)⁵: gender, age, number of medical visit, and traumatic experiences⁶

Gender^a

−3.470

−5.579 to −1.361

1.065

−.293

.001

Number of medical visits

.962

.232 to 1.691

.368

.230

.010

Traumatic experiences

.680

.322 to .1.038

.181

.320

< .001

Model 3 (R²_adj. = 0.286)⁵: gender, age, number of medical visits, traumatic experiences⁶, intercultural contact stress, homesickness, and general psychosocial stress

Gender^a

−3.419

−5.507 to −1.332

1.053

−.289

.002

Number of medical visits

.900

.158 to 1.642

.374

.215

.018

Traumatic experiences

.565

.121 to 5.507

.189

.266

.003

General psychosocial stress

2.888

.926 to 4.850

.990

.370

.004

Model 4 (R²_adj. = 0.609)⁵: gender, age, number of medical visits, traumatic experiences⁶, intercultural contact stress, homesickness, general psychosocial stress, depression score⁷, anxiety score⁸, and PTSD score⁹

Number of medical visits

.605

.047 to 1.162

.281

.145

.034

Anxiety score

.358

.132 to .584

.114

.308

.002

Depression score

.451

.254 to .647

.099

.450

< .001