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. 2021 Sep 29;306:114226. doi: 10.1016/j.psychres.2021.114226

Table 4.

The frequency of S1 and S2 participants’ answers on each GAD-7 scale question.

GAD-7
How often have you been bothered by feeling nervous, anxious, or on edge over the past 2 weeks?
Not at all Several days More than half the days Nearly every day p
S1. No. (%) 335(30.7) 408(37.4) 131(12.1) 216(19.8) <0.001*
S2. No. (%) 176 (15.9) 381 (34.5) 216 (19.5) 332 (30.0)
Total. No. (%) 511 (23.3) 789(35.9) 347(15.8) 548(25.0)
How often have you been bothered by not being able to stop or control worrying over the past 2 weeks?
Not at all Several days More than half the days Nearly every day
S1. No. (%) 608(55.8) 312(28.6) 83(7.6) 87(8) <0.001*
S2. No. (%) 448(40.5) 412(37.3) 124(11.2) 121(11.0)
Total. No. (%) 1056(48.1) 724 (33.0) 207(9.4) 208 (9.5)
How often have you been bothered by worrying too much about different things over the past 2 weeks?
Not at all Several days More than half the days Nearly every day
S1. No. (%) 407(37.3) 422(38.7) 130(11.9) 131(12.1) <0.001*
S2. No. (%) 289(26.2) 465(42.1) 165(14.9) 186(16.8)
Total. No. (%) 696(31.7) 887 (40.4) 295(13.4) 317(14.4)
How often have you been bothered by trouble relaxing over the past 2 weeks?
Not at all Several days More than half the days Nearly every day
S1. No. (%) 405(37.2) 341(31.3) 154(14.1) 190(17.4) <0.001*
S2. No. (%) 271(24.5) 375(33.9) 185(16.7) 274(24.8)
Total. No. (%) 676(30.8) 716 (32.6) 339(15.4) 464 (21.1)
How often have you been bothered by being so restless that it's hard to sit still over the past 2 weeks?
Not at all Several days More than half the days Nearly every day
S1. No. (%) 657(60.3) 288(26.4) 82(7.5) 63(5.8) <0.001*
S2. No. (%) 556 (50.3) 329(29.8) 126(11.4) 94(8.5)
Total. No. (%) 1213 (55.3) 617 (28.1) 208 (9.5) 157 (7.2)
How often have you been bothered by becoming easily annoyed or irritable over the past 2 weeks?
Not at all Several days More than half the days Nearly every day
S1. No. (%) 398(36.5) 418(38.4) 128(11.7) 146(13.4) <0.001*
S2. No. (%) 249(22.5) 441(39.9) 209(18.9) 206(18.6)
Total. No. (%) 647(29.5) 859(39.1) 337(15.4) 352(16.0)
How often have you been bothered by feeling afraid as if something awful might happen over the past 2 weeks?
Not at all Several days More than half the days Nearly every day
S1. No. (%) 579(53.1) 351(32.2) 66(6.1) 94(8.6) <0.001*
S2. No. (%) 526(47.6) 357(32.3) 121(11.0) 101(9.1)
Total. No. (%) 1105(50.3) 708(32.3) 187(8.5) 195(8.9)

GAD-7: general anxiety disorder-7 scale, S1: Sample 1, S2: sample 2, *- P<0.05.