| 1. |
- Selander, Helena, et al.
(författare)
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The Nordic Stroke Driver Screening Assessment as predictor for the outcome of an on-road test.
- 2010
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Ingår i: Scandinavian Journal of Occupational Therapy. - : Informa UK Limited. - 1103-8128 .- 1651-2014. ; 17:1, s. 10-17
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Tidskriftsartikel (refereegranskat)abstract
- The use of the cognitive test battery Nordic Stroke Driver Screening Assessment (NorSDSA) has increased, sometimes as a stand-alone test to evaluate fitness to drive, also for non-stroke patients such as patients suffering from cognitive deficits/dementia, approaches that may be questioned. The objective of the study was to determine whether the NorSDSA could predict an on-road test result, for large sets of stroke ( n=74) and cognitive deficits/dementia participants ( n=116), respectively. The percentage of correctly classified was 62% for the stroke group and 50% for the cognitive deficits/dementia group. A discriminant analysis with pass/fail on the on-road test as grouping variable could classify 62% of the stroke participants and the cognitive deficit/dementia participants. Hence, the NorSDSA could not predict the outcome of the on-road test. Therefore, NorSDSA should not be used as a stand-alone test to determine the fitness to drive of individual participants. Also, its use with participants suffering from cognitive deficits/dementia appears to be less successful than for clients with stroke.
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| 2. |
- Ögren, Mikael, et al.
(författare)
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Difference between using 2 and 4 meter receiver height in railway noise prediction
- 2010
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Ingår i: Proceedings of the 10th International Workshop on Railway Noise, 18-22 October 2010, Nagahama, Japan. - : Springer.
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Konferensbidrag (refereegranskat)abstract
- In the Nordic countries a receiver height of 2 m has often been used when calculating noise levels over large areas for socioacoustic surveys, but within the EU 4 m is used. Here results are presented for railway noise calculations at both heights in 1459 points across several areas in Sweden. The average difference in equivalent level is 2.5 dB higher at 4 m height than at 2 m, which in turn leads to 10 % – 40 % less predicted annoyance if the exposure is calculated at 4 m.
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| 3. |
- Öhrström, Evy, 1946, et al.
(författare)
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Comparative field studies on the effects of railway and road traffic noise
- 2010
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Ingår i: 39th International Congress on Noise Control Engineering 2010. - Lissabon : Sociedade Portuguesa de Acustica (SPA). - 9781617823961 ; , s. 1660-1668
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
- To provide additional knowledge on the long term effects of railway and road traffic noise socio-acoustic surveys were performed in two residential areas exposed to road traffic noise (highway and major roads) and two areas exposed to railway noise (124 trains per day). Results were obtained for 974 individuals exposed to comparative sound levels ranging from LAeq,24h 45 to 65 dB. Road traffic caused significantly more noise annoyance than railway traffic, however, the difference decreased somewhat at higher sound levels above LAeq,24h 60 dB. For Lden the difference in annoyance between the two noise sources was larger and the difference increased at higher sound levels. At all sound levels, road traffic noise caused more disturbances of rest/relaxation (LAeq,24h) and sleep quality (Lnight) but less disturbance of conversation than railway noise. It was concluded that noise from railway traffic overall causes less adverse health effects than road traffic noise, in cases with a relatively moderate number of trains per day.
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